2122030244961 has 45 divisors (see below), whose sum is σ = 3372489733795. Its totient is φ = 1285758458160.

The previous prime is 2122030244941. The next prime is 2122030244981. The reversal of 2122030244961 is 1694420302212.

It is a happy number.

The square root of 2122030244961 is 1456719.

It is a perfect power (a square), and thus also a powerful number.

2122030244961 is a `hidden beast` number, since 2 + 1 + 2 + 203 + 0 + 2 + 449 + 6 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (2122030244941) and next prime (2122030244981).

It can be written as a sum of positive squares in only one way, i.e., 1779622700625 + 342407544336 = 1334025^2 + 585156^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2122030244961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122030244941) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 528786991 + ... + 528791003.

Almost surely, 2^{2122030244961} is an apocalyptic number.

2122030244961 is the 1456719-th square number.

2122030244961 is the 728360-th centered octagonal number.

It is an amenable number.

2122030244961 is a deficient number, since it is larger than the sum of its proper divisors (1250459488834).

2122030244961 is an frugal number, since it uses more digits than its factorization.

2122030244961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8076 (or 4027 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

Multiplying 2122030244961 by its sum of digits (36), we get a square (76393088818596 = 8740314²).

The spelling of 2122030244961 in words is "two trillion, one hundred twenty-two billion, thirty million, two hundred forty-four thousand, nine hundred sixty-one".