122100221222210 has 64 divisors (see below), whose sum is σ = 276436809517824. Its totient is φ = 37720422297600.

The previous prime is 122100221222209. The next prime is 122100221222237. The reversal of 122100221222210 is 12222122001221.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 701557751 + ... + 701731770.

It is an arithmetic number, because the mean of its divisors is an integer number (4319325148716).

Almost surely, 2^{122100221222210} is an apocalyptic number.

122100221222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122100221222210 is an abundant number, since it is smaller than the sum of its proper divisors (154336588295614).

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

122100221222210 is a wasteful number, since it uses less digits than its factorization.

122100221222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403289659.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122100221222210 its reverse (12222122001221), we get a palindrome (134322343223431).

The spelling of 122100221222210 in words is "one hundred twenty-two trillion, one hundred billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred ten".