2120211220000 has 60 divisors (see below), whose sum is σ = 5216037682086. Its totient is φ = 848084480000.

The previous prime is 2120211219961. The next prime is 2120211220007. The reversal of 2120211220000 is 221120212.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 17212390416 + 2102998829584 = 131196^2 + 1450172^2 .

It is not an unprimeable number, because it can be changed into a prime (2120211220007) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 52985281 + ... + 53025280.

Almost surely, 2^{2120211220000} is an apocalyptic number.

2120211220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120211220000 is an abundant number, since it is smaller than the sum of its proper divisors (3095826462086).

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

2120211220000 is an equidigital number, since it uses as much as digits as its factorization.

2120211220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106010591 (or 106010568 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2120211220000 its reverse (221120212), we get a palindrome (2120432340212).

The spelling of 2120211220000 in words is "two trillion, one hundred twenty billion, two hundred eleven million, two hundred twenty thousand".