2100022111201 has 4 divisors (see below), whose sum is σ = 2400025269952. Its totient is φ = 1800018952452.

The previous prime is 2100022111193. The next prime is 2100022111237. The reversal of 2100022111201 is 1021112200012.

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 not a de Polignac number, because 2100022111201 - 2³ = 2100022111193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100022111001) 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, 150001579365 + ... + 150001579378.

It is an arithmetic number, because the mean of its divisors is an integer number (600006317488).

Almost surely, 2^{2100022111201} is an apocalyptic number.

It is an amenable number.

2100022111201 is a deficient number, since it is larger than the sum of its proper divisors (300003158751).

2100022111201 is an equidigital number, since it uses as much as digits as its factorization.

2100022111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300003158750.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2100022111201 its reverse (1021112200012), we get a palindrome (3121134311213).

The spelling of 2100022111201 in words is "two trillion, one hundred billion, twenty-two million, one hundred eleven thousand, two hundred one".