101211203210 has 32 divisors (see below), whose sum is σ = 202959343440. Its totient is φ = 36081658368.

The previous prime is 101211203207. The next prime is 101211203243. The reversal of 101211203210 is 12302112101.

It can be written as a sum of positive squares in 8 ways, for example, as 53145464089 + 48065739121 = 230533^2 + 219239^2 .

It is a super-3 number, since 3×101211203210³ (a number of 34 digits) contains 333 as substring.

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, 13419467 + ... + 13427006.

Almost surely, 2^101211203210 is an apocalyptic number.

101211203210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101211203210 is an abundant number, since it is smaller than the sum of its proper divisors (101748140230).

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

101211203210 is a wasteful number, since it uses less digits than its factorization.

101211203210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26846522.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 101211203210 its reverse (12302112101), we get a palindrome (113513315311).

The spelling of 101211203210 in words is "one hundred one billion, two hundred eleven million, two hundred three thousand, two hundred ten".