2122210010100 has 72 divisors (see below), whose sum is σ = 6306213994528. Its totient is φ = 550627459200.

The previous prime is 2122210010087. The next prime is 2122210010101. The reversal of 2122210010100 is 10100122212.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122210010101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95583946 + ... + 95606145.

Almost surely, 2^{2122210010100} is an apocalyptic number.

2122210010100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122210010100 is an abundant number, since it is smaller than the sum of its proper divisors (4184003984428).

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

2122210010100 is a wasteful number, since it uses less digits than its factorization.

2122210010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191190145 (or 191190138 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2122210010100 its reverse (10100122212), we get a palindrome (2132310132312).

The spelling of 2122210010100 in words is "two trillion, one hundred twenty-two billion, two hundred ten million, ten thousand, one hundred".