20220211021200 has 120 divisors (see below), whose sum is σ = 65833913520576. Its totient is φ = 5303661888000.

The previous prime is 20220211021151. The next prime is 20220211021201. The reversal of 20220211021200 is 212011202202.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is a self number, because there is not a number n which added to its sum of digits gives 20220211021200.

It is not an unprimeable number, because it can be changed into a prime (20220211021201) 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, 138042996 + ... + 138189395.

Almost surely, 2^{20220211021200} is an apocalyptic number.

20220211021200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20220211021200 is an abundant number, since it is smaller than the sum of its proper divisors (45613702499376).

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

20220211021200 is a wasteful number, since it uses less digits than its factorization.

20220211021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276232473 (or 276232462 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20220211021200 its reverse (212011202202), we get a palindrome (20432222223402).

The spelling of 20220211021200 in words is "twenty trillion, two hundred twenty billion, two hundred eleven million, twenty-one thousand, two hundred".