2120120020201 has 4 divisors (see below), whose sum is σ = 2120192312400. Its totient is φ = 2120047728004.

The previous prime is 2120120020177. The next prime is 2120120020223. The reversal of 2120120020201 is 1020200210212.

It is a happy number.

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-2120120020201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120120020241) 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, 36102091 + ... + 36160768.

It is an arithmetic number, because the mean of its divisors is an integer number (530048078100).

Almost surely, 2^{2120120020201} is an apocalyptic number.

It is an amenable number.

2120120020201 is a deficient number, since it is larger than the sum of its proper divisors (72292199).

2120120020201 is an equidigital number, since it uses as much as digits as its factorization.

2120120020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72292198.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2120120020201 its reverse (1020200210212), we get a palindrome (3140320230413).

The spelling of 2120120020201 in words is "two trillion, one hundred twenty billion, one hundred twenty million, twenty thousand, two hundred one".