10402021122 has 32 divisors (see below), whose sum is σ = 21372720000. Its totient is φ = 3372617088.

The previous prime is 10402021121. The next prime is 10402021129. The reversal of 10402021122 is 22112020401.

It is not an unprimeable number, because it can be changed into a prime (10402021121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1205379 + ... + 1213977.

It is an arithmetic number, because the mean of its divisors is an integer number (667897500).

Almost surely, 2^10402021122 is an apocalyptic number.

10402021122 is an abundant number, since it is smaller than the sum of its proper divisors (10970698878).

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

10402021122 is a wasteful number, since it uses less digits than its factorization.

10402021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14090.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10402021122 its reverse (22112020401), we get a palindrome (32514041523).

The spelling of 10402021122 in words is "ten billion, four hundred two million, twenty-one thousand, one hundred twenty-two".