122221100210 has 32 divisors (see below), whose sum is σ = 240165585792. Its totient is φ = 44412964480.

The previous prime is 122221100191. The next prime is 122221100257. The reversal of 122221100210 is 12001122221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230054 + ... + 545313.

It is an arithmetic number, because the mean of its divisors is an integer number (7505174556).

Almost surely, 2^122221100210 is an apocalyptic number.

122221100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122221100210 is a deficient number, since it is larger than the sum of its proper divisors (117944485582).

122221100210 is a wasteful number, since it uses less digits than its factorization.

122221100210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776818.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122221100210 its reverse (12001122221), we get a palindrome (134222222431).

The spelling of 122221100210 in words is "one hundred twenty-two billion, two hundred twenty-one million, one hundred thousand, two hundred ten".