2111057206201 has 4 divisors (see below), whose sum is σ = 2111134035712. Its totient is φ = 2110980376692.

The previous prime is 2111057206157. The next prime is 2111057206207. The reversal of 2111057206201 is 1026027501112.

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 not a de Polignac number, because 2111057206201 - 2⁷ = 2111057206073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2111057206201.

It is not an unprimeable number, because it can be changed into a prime (2111057206207) 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, 38373525 + ... + 38428498.

It is an arithmetic number, because the mean of its divisors is an integer number (527783508928).

Almost surely, 2^{2111057206201} is an apocalyptic number.

It is an amenable number.

2111057206201 is a deficient number, since it is larger than the sum of its proper divisors (76829511).

2111057206201 is an equidigital number, since it uses as much as digits as its factorization.

2111057206201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76829510.

The product of its (nonzero) digits is 1680, while the sum is 28.

The spelling of 2111057206201 in words is "two trillion, one hundred eleven billion, fifty-seven million, two hundred six thousand, two hundred one".