2120221020200 has 48 divisors (see below), whose sum is σ = 4930486420860. Its totient is φ = 847921088000.

The previous prime is 2120221020173. The next prime is 2120221020257. The reversal of 2120221020200 is 20201220212.

It can be written as a sum of positive squares in 6 ways, for example, as 730741167556 + 1389479852644 = 854834^2 + 1178762^2 .

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, 27011 + ... + 2059410.

Almost surely, 2^{2120221020200} is an apocalyptic number.

2120221020200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120221020200 is an abundant number, since it is smaller than the sum of its proper divisors (2810265400660).

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

2120221020200 is a wasteful number, since it uses less digits than its factorization.

2120221020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091518 (or 2091509 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2120221020200 its reverse (20201220212), we get a palindrome (2140422240412).

The spelling of 2120221020200 in words is "two trillion, one hundred twenty billion, two hundred twenty-one million, twenty thousand, two hundred".