10210122221 has 32 divisors (see below), whose sum is σ = 11530874880. Its totient is φ = 8979719616.

The previous prime is 10210122217. The next prime is 10210122239. The reversal of 10210122221 is 12222101201.

It is a cyclic number.

It is not a de Polignac number, because 10210122221 - 2² = 10210122217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10210122196 and 10210122205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210122821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3855920 + ... + 3858566.

It is an arithmetic number, because the mean of its divisors is an integer number (360339840).

Almost surely, 2^10210122221 is an apocalyptic number.

It is an amenable number.

10210122221 is a deficient number, since it is larger than the sum of its proper divisors (1320752659).

10210122221 is a wasteful number, since it uses less digits than its factorization.

10210122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10210122221 its reverse (12222101201), we get a palindrome (22432223422).

The spelling of 10210122221 in words is "ten billion, two hundred ten million, one hundred twenty-two thousand, two hundred twenty-one".