101221121101112 has 32 divisors (see below), whose sum is σ = 198113576366880. Its totient is φ = 48392439680640.

The previous prime is 101221121101091. The next prime is 101221121101147. The reversal of 101221121101112 is 211101121122101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99844943 + ... + 100853630.

It is an arithmetic number, because the mean of its divisors is an integer number (6191049261465).

Almost surely, 2^{101221121101112} is an apocalyptic number.

It is an amenable number.

101221121101112 is a deficient number, since it is larger than the sum of its proper divisors (96892455265768).

101221121101112 is a wasteful number, since it uses less digits than its factorization.

101221121101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200701343 (or 200701339 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 101221121101112 its reverse (211101121122101), we get a palindrome (312322242223213).

The spelling of 101221121101112 in words is "one hundred one trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred one thousand, one hundred twelve".