2120202312001 has 4 divisors (see below), whose sum is σ = 2120212168900. Its totient is φ = 2120192455104.

The previous prime is 2120202311989. The next prime is 2120202312017. The reversal of 2120202312001 is 1002132020212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1256194881601 + 864007430400 = 1120801^2 + 929520^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120202312001 - 2²⁷ = 2120068094273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120202312401) 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, 4598436 + ... + 5038453.

It is an arithmetic number, because the mean of its divisors is an integer number (530053042225).

Almost surely, 2^{2120202312001} is an apocalyptic number.

It is an amenable number.

2120202312001 is a deficient number, since it is larger than the sum of its proper divisors (9856899).

2120202312001 is an equidigital number, since it uses as much as digits as its factorization.

2120202312001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9856898.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2120202312001 its reverse (1002132020212), we get a palindrome (3122334332213).

The spelling of 2120202312001 in words is "two trillion, one hundred twenty billion, two hundred two million, three hundred twelve thousand, one".