122111122010 has 16 divisors (see below), whose sum is σ = 221976259272. Its totient is φ = 48360840000.

The previous prime is 122111121989. The next prime is 122111122019. The reversal of 122111122010 is 10221111221.

It can be written as a sum of positive squares in 4 ways, for example, as 120254287729 + 1856834281 = 346777^2 + 43091^2 .

It is a super-2 number, since 2×122111122010² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122111122019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60450041 + ... + 60452060.

Almost surely, 2^122111122010 is an apocalyptic number.

122111122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122111122010 is a deficient number, since it is larger than the sum of its proper divisors (99865137262).

122111122010 is a wasteful number, since it uses less digits than its factorization.

122111122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120902209.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 122111122010 its reverse (10221111221), we get a palindrome (132332233231).

The spelling of 122111122010 in words is "one hundred twenty-two billion, one hundred eleven million, one hundred twenty-two thousand, ten".