2121233022200 has 48 divisors (see below), whose sum is σ = 4935933183480. Its totient is φ = 847793612160.

The previous prime is 2121233022163. The next prime is 2121233022239. The reversal of 2121233022200 is 22203321212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4129274 + ... + 4614473.

Almost surely, 2^{2121233022200} is an apocalyptic number.

2121233022200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2121233022200 is an abundant number, since it is smaller than the sum of its proper divisors (2814700161280).

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

2121233022200 is a wasteful number, since it uses less digits than its factorization.

2121233022200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8744976 (or 8744967 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2121233022200 its reverse (22203321212), we get a palindrome (2143436343412).

It can be divided in two parts, 212123 and 3022200, that added together give a palindrome (3234323).

The spelling of 2121233022200 in words is "two trillion, one hundred twenty-one billion, two hundred thirty-three million, twenty-two thousand, two hundred".