122121102010 has 16 divisors (see below), whose sum is σ = 220568220936. Its totient is φ = 48681721408.

The previous prime is 122121101953. The next prime is 122121102049. The reversal of 122121102010 is 10201121221.

It can be written as a sum of positive squares in 4 ways, for example, as 122109012481 + 12089529 = 349441^2 + 3477^2 .

It is a super-2 number, since 2×122121102010² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20836849 + ... + 20842708.

Almost surely, 2^122121102010 is an apocalyptic number.

122121102010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122121102010 is a deficient number, since it is larger than the sum of its proper divisors (98447118926).

122121102010 is a wasteful number, since it uses less digits than its factorization.

122121102010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41679857.

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

Adding to 122121102010 its reverse (10201121221), we get a palindrome (132322223231).

The spelling of 122121102010 in words is "one hundred twenty-two billion, one hundred twenty-one million, one hundred two thousand, ten".