2100220101201 has 4 divisors (see below), whose sum is σ = 2800293468272. Its totient is φ = 1400146734132.

The previous prime is 2100220101173. The next prime is 2100220101233. The reversal of 2100220101201 is 1021010220012.

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 2100220101201 - 2⁷ = 2100220101073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2100220101601) 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, 350036683531 + ... + 350036683536.

It is an arithmetic number, because the mean of its divisors is an integer number (700073367068).

Almost surely, 2^{2100220101201} is an apocalyptic number.

It is an amenable number.

2100220101201 is a deficient number, since it is larger than the sum of its proper divisors (700073367071).

2100220101201 is an equidigital number, since it uses as much as digits as its factorization.

2100220101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700073367070.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2100220101201 its reverse (1021010220012), we get a palindrome (3121230321213).

The spelling of 2100220101201 in words is "two trillion, one hundred billion, two hundred twenty million, one hundred one thousand, two hundred one".