10222121121 has 16 divisors (see below), whose sum is σ = 13969771200. Its totient is φ = 6645139200.

The previous prime is 10222121113. The next prime is 10222121123. The reversal of 10222121121 is 12112122201.

It is not a de Polignac number, because 10222121121 - 2³ = 10222121113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10222121121.

It is not an unprimeable number, because it can be changed into a prime (10222121123) 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, 11605 + ... + 143453.

It is an arithmetic number, because the mean of its divisors is an integer number (873110700).

Almost surely, 2^10222121121 is an apocalyptic number.

It is an amenable number.

10222121121 is a deficient number, since it is larger than the sum of its proper divisors (3747650079).

10222121121 is a wasteful number, since it uses less digits than its factorization.

10222121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132496.

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

Adding to 10222121121 its reverse (12112122201), we get a palindrome (22334243322).

The spelling of 10222121121 in words is "ten billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty-one".