22001201010 has 24 divisors (see below), whose sum is σ = 57203122860. Its totient is φ = 5866986912.

The previous prime is 22001201003. The next prime is 22001201017. The reversal of 22001201010 is 1010210022.

It is an interprime number because it is at equal distance from previous prime (22001201003) and next prime (22001201017).

It can be written as a sum of positive squares in 2 ways, for example, as 21537617049 + 463583961 = 146757^2 + 21531^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 22001200983 and 22001201001.

It is not an unprimeable number, because it can be changed into a prime (22001201017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122228805 + ... + 122228984.

Almost surely, 2^22001201010 is an apocalyptic number.

22001201010 is an abundant number, since it is smaller than the sum of its proper divisors (35201921850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22001201010 is a wasteful number, since it uses less digits than its factorization.

22001201010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244457802 (or 244457799 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 22001201010 its reverse (1010210022), we get a palindrome (23011411032).

The spelling of 22001201010 in words is "twenty-two billion, one million, two hundred one thousand, ten".