101210220221210 has 128 divisors (see below), whose sum is σ = 188975015820864. Its totient is φ = 38997906554880.

The previous prime is 101210220221147. The next prime is 101210220221239. The reversal of 101210220221210 is 12122022012101.

It can be written as a sum of positive squares in 32 ways, for example, as 46685420324929 + 54524799896281 = 6832673^2 + 7384091^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19641025994 + ... + 19641031146.

Almost surely, 2^{101210220221210} is an apocalyptic number.

101210220221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101210220221210 is a deficient number, since it is larger than the sum of its proper divisors (87764795599654).

101210220221210 is a wasteful number, since it uses less digits than its factorization.

101210220221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6628.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 101210220221210 its reverse (12122022012101), we get a palindrome (113332242233311).

The spelling of 101210220221210 in words is "one hundred one trillion, two hundred ten billion, two hundred twenty million, two hundred twenty-one thousand, two hundred ten".