101221020011200 has 84 divisors (see below), whose sum is σ = 251028130131712. Its totient is φ = 40169601561600.

The previous prime is 101221020011119. The next prime is 101221020011323. The reversal of 101221020011200 is 2110020122101.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 248864271 + ... + 249270670.

Almost surely, 2^{101221020011200} is an apocalyptic number.

101221020011200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101221020011200 is an abundant number, since it is smaller than the sum of its proper divisors (149807110120512).

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

101221020011200 is a wasteful number, since it uses less digits than its factorization.

101221020011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498135090 (or 498135075 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101221020011200 its reverse (2110020122101), we get a palindrome (103331040133301).

The spelling of 101221020011200 in words is "one hundred one trillion, two hundred twenty-one billion, twenty million, eleven thousand, two hundred".