2120402113001 has 4 divisors (see below), whose sum is σ = 2120611256400. Its totient is φ = 2120192969604.

The previous prime is 2120402112967. The next prime is 2120402113013. The reversal of 2120402113001 is 1003112040212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120402113001 is a prime.

It is a super-2 number, since 2×2120402113001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120402113201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104556491 + ... + 104576768.

It is an arithmetic number, because the mean of its divisors is an integer number (530152814100).

Almost surely, 2^{2120402113001} is an apocalyptic number.

It is an amenable number.

2120402113001 is a deficient number, since it is larger than the sum of its proper divisors (209143399).

2120402113001 is a wasteful number, since it uses less digits than its factorization.

2120402113001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209143398.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2120402113001 its reverse (1003112040212), we get a palindrome (3123514153213).

The spelling of 2120402113001 in words is "two trillion, one hundred twenty billion, four hundred two million, one hundred thirteen thousand, one".