122220201211110 has 32 divisors (see below), whose sum is σ = 325920536563680. Its totient is φ = 32592053656224.

The previous prime is 122220201211099. The next prime is 122220201211117. The reversal of 122220201211110 is 11112102022221.

122220201211110 is a `hidden beast` number, since 1 + 22 + 220 + 201 + 211 + 1 + 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 not an unprimeable number, because it can be changed into a prime (122220201211117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226333705677 + ... + 226333706216.

It is an arithmetic number, because the mean of its divisors is an integer number (10185016767615).

Almost surely, 2^{122220201211110} is an apocalyptic number.

122220201211110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122220201211110 is an abundant number, since it is smaller than the sum of its proper divisors (203700335352570).

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

122220201211110 is a wasteful number, since it uses less digits than its factorization.

122220201211110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452667411909 (or 452667411903 counting only the distinct ones).

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

Adding to 122220201211110 its reverse (11112102022221), we get a palindrome (133332303233331).

The spelling of 122220201211110 in words is "one hundred twenty-two trillion, two hundred twenty billion, two hundred one million, two hundred eleven thousand, one hundred ten".