101221002020210 has 32 divisors (see below), whose sum is σ = 184758632104320. Its totient is φ = 39919718014848.

The previous prime is 101221002020119. The next prime is 101221002020219. The reversal of 101221002020210 is 12020200122101.

It is not an unprimeable number, because it can be changed into a prime (101221002020219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22310630 + ... + 26461409.

It is an arithmetic number, because the mean of its divisors is an integer number (5773707253260).

Almost surely, 2^{101221002020210} is an apocalyptic number.

101221002020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101221002020210 is a deficient number, since it is larger than the sum of its proper divisors (83537630084110).

101221002020210 is a wasteful number, since it uses less digits than its factorization.

101221002020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48774962.

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

Adding to 101221002020210 its reverse (12020200122101), we get a palindrome (113241202142311).

The spelling of 101221002020210 in words is "one hundred one trillion, two hundred twenty-one billion, two million, twenty thousand, two hundred ten".