101211122210 has 32 divisors (see below), whose sum is σ = 205152873984. Its totient is φ = 35616816000.

The previous prime is 101211122209. The next prime is 101211122227. The reversal of 101211122210 is 12221112101.

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, 14836931 + ... + 14843750.

It is an arithmetic number, because the mean of its divisors is an integer number (6411027312).

Almost surely, 2^101211122210 is an apocalyptic number.

101211122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101211122210 is an abundant number, since it is smaller than the sum of its proper divisors (103941751774).

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

101211122210 is a wasteful number, since it uses less digits than its factorization.

101211122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29680730.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101211122210 its reverse (12221112101), we get a palindrome (113432234311).

The spelling of 101211122210 in words is "one hundred one billion, two hundred eleven million, one hundred twenty-two thousand, two hundred ten".