101021220112112 has 20 divisors (see below), whose sum is σ = 195731140045896. Its totient is φ = 50509958164800.

The previous prime is 101021220112069. The next prime is 101021220112117. The reversal of 101021220112112 is 211211022120101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021220112117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39463514 + ... + 41945337.

Almost surely, 2^{101021220112112} is an apocalyptic number.

It is an amenable number.

101021220112112 is a deficient number, since it is larger than the sum of its proper divisors (94709919933784).

101021220112112 is an equidigital number, since it uses as much as digits as its factorization.

101021220112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81486416 (or 81486410 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 101021220112112 its reverse (211211022120101), we get a palindrome (312232242232213).

The spelling of 101021220112112 in words is "one hundred one trillion, twenty-one billion, two hundred twenty million, one hundred twelve thousand, one hundred twelve".