2212012021100 has 72 divisors (see below), whose sum is σ = 5724302454528. Its totient is φ = 725430024000.

The previous prime is 2212012021073. The next prime is 2212012021127. The reversal of 2212012021100 is 11202102122.

It is an interprime number because it is at equal distance from previous prime (2212012021073) and next prime (2212012021127).

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 68679926 + ... + 68712125.

Almost surely, 2^{2212012021100} is an apocalyptic number.

2212012021100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212012021100 is an abundant number, since it is smaller than the sum of its proper divisors (3512290433428).

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

2212012021100 is a wasteful number, since it uses less digits than its factorization.

2212012021100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137392095 (or 137392088 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2212012021100 its reverse (11202102122), we get a palindrome (2223214123222).

The spelling of 2212012021100 in words is "two trillion, two hundred twelve billion, twelve million, twenty-one thousand, one hundred".