101220212210 has 64 divisors (see below), whose sum is σ = 218687817600. Its totient is φ = 33323830272.

The previous prime is 101220212209. The next prime is 101220212213. The reversal of 101220212210 is 12212022101.

It is not an unprimeable number, because it can be changed into a prime (101220212213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1163300 + ... + 1247279.

It is an arithmetic number, because the mean of its divisors is an integer number (3416997150).

Almost surely, 2^101220212210 is an apocalyptic number.

101220212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101220212210 is an abundant number, since it is smaller than the sum of its proper divisors (117467605390).

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

101220212210 is a wasteful number, since it uses less digits than its factorization.

101220212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410635.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 101220212210 its reverse (12212022101), we get a palindrome (113432234311).

The spelling of 101220212210 in words is "one hundred one billion, two hundred twenty million, two hundred twelve thousand, two hundred ten".