10111012222020 has 96 divisors (see below), whose sum is σ = 28703744834688. Its totient is φ = 2658862973952.

The previous prime is 10111012222013. The next prime is 10111012222049. The reversal of 10111012222020 is 2022221011101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24838567 + ... + 25242353.

It is an arithmetic number, because the mean of its divisors is an integer number (298997342028).

Almost surely, 2^{10111012222020} is an apocalyptic number.

10111012222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10111012222020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14351872417344).

10111012222020 is an abundant number, since it is smaller than the sum of its proper divisors (18592732612668).

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

10111012222020 is a wasteful number, since it uses less digits than its factorization.

10111012222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409589 (or 409587 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10111012222020 its reverse (2022221011101), we get a palindrome (12133233233121).

It can be divided in two parts, 101110 and 12222020, that added together give a triangular number (12323130 = T₄₉₆₄).

The spelling of 10111012222020 in words is "ten trillion, one hundred eleven billion, twelve million, two hundred twenty-two thousand, twenty".