101112021122220 has 72 divisors (see below), whose sum is σ = 307371771186480. Its totient is φ = 26904717095040.

The previous prime is 101112021122191. The next prime is 101112021122243. The reversal of 101112021122220 is 22221120211101.

101112021122220 is a `hidden beast` number, since 10 + 111 + 202 + 1 + 122 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 101112021122193 and 101112021122202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 609172390 + ... + 609338349.

It is an arithmetic number, because the mean of its divisors is an integer number (4269052377590).

Almost surely, 2^{101112021122220} is an apocalyptic number.

101112021122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101112021122220 is an abundant number, since it is smaller than the sum of its proper divisors (206259750064260).

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

101112021122220 is a wasteful number, since it uses less digits than its factorization.

101112021122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218511215 (or 1218511210 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 101112021122220 its reverse (22221120211101), we get a palindrome (123333141333321).

The spelling of 101112021122220 in words is "one hundred one trillion, one hundred twelve billion, twenty-one million, one hundred twenty-two thousand, two hundred twenty".