2120020222001 has 16 divisors (see below), whose sum is σ = 2333427015168. Its totient is φ = 1925998420720.

The previous prime is 2120020221953. The next prime is 2120020222051. The reversal of 2120020222001 is 1002220200212.

It is not a de Polignac number, because 2120020222001 - 2¹⁰ = 2120020220977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120020222051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1453760 + ... + 2520606.

It is an arithmetic number, because the mean of its divisors is an integer number (145839188448).

Almost surely, 2^{2120020222001} is an apocalyptic number.

It is an amenable number.

2120020222001 is a deficient number, since it is larger than the sum of its proper divisors (213406793167).

2120020222001 is a wasteful number, since it uses less digits than its factorization.

2120020222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068373 (or 1068351 counting only the distinct ones).

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

Adding to 2120020222001 its reverse (1002220200212), we get a palindrome (3122240422213).

The spelling of 2120020222001 in words is "two trillion, one hundred twenty billion, twenty million, two hundred twenty-two thousand, one".