101221212200122 has 32 divisors (see below), whose sum is σ = 174816547356672. Its totient is φ = 43058076849024.

The previous prime is 101221212200063. The next prime is 101221212200123. The reversal of 101221212200122 is 221002212122101.

It is a self number, because there is not a number n which added to its sum of digits gives 101221212200122.

It is not an unprimeable number, because it can be changed into a prime (101221212200123) 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, 47909818 + ... + 49977925.

It is an arithmetic number, because the mean of its divisors is an integer number (5463017104896).

Almost surely, 2^{101221212200122} is an apocalyptic number.

101221212200122 is a deficient number, since it is larger than the sum of its proper divisors (73595335156550).

101221212200122 is a wasteful number, since it uses less digits than its factorization.

101221212200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97888302.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 101221212200122 its reverse (221002212122101), we get a palindrome (322223424322223).

The spelling of 101221212200122 in words is "one hundred one trillion, two hundred twenty-one billion, two hundred twelve million, two hundred thousand, one hundred twenty-two".