122110021222110 has 144 divisors (see below), whose sum is σ = 340599491099712. Its totient is φ = 30343782528000.

The previous prime is 122110021222073. The next prime is 122110021222121. The reversal of 122110021222110 is 11222120011221.

122110021222110 is a `hidden beast` number, since 1 + 221 + 1 + 0 + 0 + 212 + 221 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 20614246 + ... + 25868265.

It is an arithmetic number, because the mean of its divisors is an integer number (2365274243748).

Almost surely, 2^{122110021222110} is an apocalyptic number.

122110021222110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122110021222110 is an abundant number, since it is smaller than the sum of its proper divisors (218489469877602).

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

122110021222110 is a wasteful number, since it uses less digits than its factorization.

122110021222110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46482659 (or 46482639 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 122110021222110 its reverse (11222120011221), we get a palindrome (133332141233331).

The spelling of 122110021222110 in words is "one hundred twenty-two trillion, one hundred ten billion, twenty-one million, two hundred twenty-two thousand, one hundred ten".