122111021111010 has 16 divisors (see below), whose sum is σ = 293066450666496. Its totient is φ = 32562938962928.

The previous prime is 122111021110919. The next prime is 122111021111039. The reversal of 122111021111010 is 10111120111221.

It is a super-2 number, since 2×122111021111010² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 2035183685154 + ... + 2035183685213.

It is an arithmetic number, because the mean of its divisors is an integer number (18316653166656).

Almost surely, 2^{122111021111010} is an apocalyptic number.

122111021111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122111021111010 is an abundant number, since it is smaller than the sum of its proper divisors (170955429555486).

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

122111021111010 is a wasteful number, since it uses less digits than its factorization.

122111021111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4070367370377.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 122111021111010 its reverse (10111120111221), we get a palindrome (132222141222231).

The spelling of 122111021111010 in words is "one hundred twenty-two trillion, one hundred eleven billion, twenty-one million, one hundred eleven thousand, ten".