122112112220110 has 16 divisors (see below), whose sum is σ = 223527256268400. Its totient is φ = 48016966160896.

The previous prime is 122112112220101. The next prime is 122112112220113. The reversal of 122112112220110 is 11022211211221.

It is a happy number.

It is a super-2 number, since 2×122112112220110² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122112112220113) 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, 103484840275 + ... + 103484841454.

It is an arithmetic number, because the mean of its divisors is an integer number (13970453516775).

Almost surely, 2^{122112112220110} is an apocalyptic number.

122112112220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122112112220110 is a deficient number, since it is larger than the sum of its proper divisors (101415144048290).

122112112220110 is a wasteful number, since it uses less digits than its factorization.

122112112220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206969681795.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122112112220110 its reverse (11022211211221), we get a palindrome (133134323431331).

The spelling of 122112112220110 in words is "one hundred twenty-two trillion, one hundred twelve billion, one hundred twelve million, two hundred twenty thousand, one hundred ten".