1011221120022 has 32 divisors (see below), whose sum is σ = 2061924284160. Its totient is φ = 330501531360.

The previous prime is 1011221119897. The next prime is 1011221120023. The reversal of 1011221120022 is 2200211221101.

It is a junction number, because it is equal to n+sod(n) for n = 1011221119983 and 1011221120010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011221120023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 524104 + ... + 1515627.

It is an arithmetic number, because the mean of its divisors is an integer number (64435133880).

Almost surely, 2^{1011221120022} is an apocalyptic number.

1011221120022 is an abundant number, since it is smaller than the sum of its proper divisors (1050703164138).

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

1011221120022 is a wasteful number, since it uses less digits than its factorization.

1011221120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041348.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1011221120022 its reverse (2200211221101), we get a palindrome (3211432341123).

The spelling of 1011221120022 in words is "one trillion, eleven billion, two hundred twenty-one million, one hundred twenty thousand, twenty-two".