101211210102220 has 24 divisors (see below), whose sum is σ = 212657383575504. Its totient is φ = 40462799781696.

The previous prime is 101211210102193. The next prime is 101211210102221. The reversal of 101211210102220 is 22201012112101.

It is a junction number, because it is equal to n+sod(n) for n = 101211210102194 and 101211210102203.

It is not an unprimeable number, because it can be changed into a prime (101211210102221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1355227927 + ... + 1355302606.

It is an arithmetic number, because the mean of its divisors is an integer number (8860724315646).

Almost surely, 2^{101211210102220} is an apocalyptic number.

101211210102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101211210102220 is an abundant number, since it is smaller than the sum of its proper divisors (111446173473284).

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

101211210102220 is a wasteful number, since it uses less digits than its factorization.

101211210102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710532409 (or 2710532407 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101211210102220 its reverse (22201012112101), we get a palindrome (123412222214321).

The spelling of 101211210102220 in words is "one hundred one trillion, two hundred eleven billion, two hundred ten million, one hundred two thousand, two hundred twenty".