2120211220001 has 16 divisors (see below), whose sum is σ = 2437181107200. Its totient is φ = 1806766525008.

The previous prime is 2120211219961. The next prime is 2120211220007. The reversal of 2120211220001 is 1000221120212.

It is a cyclic number.

It is not a de Polignac number, because 2120211220001 - 2³⁴ = 2103031350817 is a prime.

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

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5475086 + ... + 5849528.

It is an arithmetic number, because the mean of its divisors is an integer number (152323819200).

Almost surely, 2^{2120211220001} is an apocalyptic number.

It is an amenable number.

2120211220001 is a deficient number, since it is larger than the sum of its proper divisors (316969887199).

2120211220001 is a wasteful number, since it uses less digits than its factorization.

2120211220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379148.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2120211220001 its reverse (1000221120212), we get a palindrome (3120432340213).

The spelling of 2120211220001 in words is "two trillion, one hundred twenty billion, two hundred eleven million, two hundred twenty thousand, one".