101122121210 has 48 divisors (see below), whose sum is σ = 206525362176. Its totient is φ = 35585484000.

The previous prime is 101122121209. The next prime is 101122121249. The reversal of 101122121210 is 12121221101.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1310426 + ... + 1385445.

It is an arithmetic number, because the mean of its divisors is an integer number (4302611712).

Almost surely, 2^101122121210 is an apocalyptic number.

101122121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101122121210 is an abundant number, since it is smaller than the sum of its proper divisors (105403240966).

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

101122121210 is a wasteful number, since it uses less digits than its factorization.

101122121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2695931 (or 2695920 counting only the distinct ones).

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

Adding to 101122121210 its reverse (12121221101), we get a palindrome (113243342311).

The spelling of 101122121210 in words is "one hundred one billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred ten".