122100121210 has 16 divisors (see below), whose sum is σ = 221914008576. Its totient is φ = 48365872848.

The previous prime is 122100121189. The next prime is 122100121219. The reversal of 122100121210 is 12121001221.

It is not an unprimeable number, because it can be changed into a prime (122100121219) 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, 59270874 + ... + 59272933.

It is an arithmetic number, because the mean of its divisors is an integer number (13869625536).

Almost surely, 2^122100121210 is an apocalyptic number.

122100121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122100121210 is a deficient number, since it is larger than the sum of its proper divisors (99813887366).

122100121210 is a wasteful number, since it uses less digits than its factorization.

122100121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118543917.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122100121210 its reverse (12121001221), we get a palindrome (134221122431).

The spelling of 122100121210 in words is "one hundred twenty-two billion, one hundred million, one hundred twenty-one thousand, two hundred ten".