1112210122020 has 96 divisors (see below), whose sum is σ = 3181309883136. Its totient is φ = 290246208000.

The previous prime is 1112210121989. The next prime is 1112210122057. The reversal of 1112210122020 is 202210122111.

It is a super-2 number, since 2×1112210122020² (a number of 25 digits) contains 22 as substring.

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, 50256 + ... + 1492295.

It is an arithmetic number, because the mean of its divisors is an integer number (33138644616).

Almost surely, 2^{1112210122020} is an apocalyptic number.

1112210122020 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 1112210122020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1590654941568).

1112210122020 is an abundant number, since it is smaller than the sum of its proper divisors (2069099761116).

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

1112210122020 is a wasteful number, since it uses less digits than its factorization.

1112210122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542821 (or 1542819 counting only the distinct ones).

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

Adding to 1112210122020 its reverse (202210122111), we get a palindrome (1314420244131).

Subtracting from 1112210122020 its reverse (202210122111), we obtain a palindrome (909999999909).

The spelling of 1112210122020 in words is "one trillion, one hundred twelve billion, two hundred ten million, one hundred twenty-two thousand, twenty".