101211100210 has 64 divisors (see below), whose sum is σ = 211501445760. Its totient is φ = 34463134720.

The previous prime is 101211100183. The next prime is 101211100213. The reversal of 101211100210 is 12001112101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (101211100213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231021 + ... + 505759.

It is an arithmetic number, because the mean of its divisors is an integer number (3304710090).

Almost surely, 2^101211100210 is an apocalyptic number.

101211100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101211100210 is an abundant number, since it is smaller than the sum of its proper divisors (110290345550).

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

101211100210 is a wasteful number, since it uses less digits than its factorization.

101211100210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274971.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 101211100210 its reverse (12001112101), we get a palindrome (113212212311).

The spelling of 101211100210 in words is "one hundred one billion, two hundred eleven million, one hundred thousand, two hundred ten".