122100100201210 has 16 divisors (see below), whose sum is σ = 219909691400616. Its totient is φ = 48811259849728.

The previous prime is 122100100201087. The next prime is 122100100201241. The reversal of 122100100201210 is 12102001001221.

It can be written as a sum of positive squares in 4 ways, for example, as 114589381757449 + 7510718443761 = 10704643^2 + 2740569^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3597511027 + ... + 3597544966.

Almost surely, 2^{122100100201210} is an apocalyptic number.

122100100201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122100100201210 is a deficient number, since it is larger than the sum of its proper divisors (97809591199406).

122100100201210 is a wasteful number, since it uses less digits than its factorization.

122100100201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7195057697.

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

Adding to 122100100201210 its reverse (12102001001221), we get a palindrome (134202101202431).

The spelling of 122100100201210 in words is "one hundred twenty-two trillion, one hundred billion, one hundred million, two hundred one thousand, two hundred ten".