122121010102 has 128 divisors (see below), whose sum is σ = 233999539200. Its totient is φ = 46516377600.

The previous prime is 122121010049. The next prime is 122121010157. The reversal of 122121010102 is 201010121221.

It is a super-2 number, since 2×122121010102² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 291458049 + ... + 291458467.

It is an arithmetic number, because the mean of its divisors is an integer number (1828121400).

Almost surely, 2^122121010102 is an apocalyptic number.

122121010102 is a deficient number, since it is larger than the sum of its proper divisors (111878529098).

122121010102 is a wasteful number, since it uses less digits than its factorization.

122121010102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122121010102 its reverse (201010121221), we get a palindrome (323131131323).

The spelling of 122121010102 in words is "one hundred twenty-two billion, one hundred twenty-one million, ten thousand, one hundred two".