2112022020961 has 2 divisors, whose sum is σ = 2112022020962. Its totient is φ = 2112022020960.

The previous prime is 2112022020943. The next prime is 2112022021001. The reversal of 2112022020961 is 1690202202112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2094619398400 + 17402622561 = 1447280^2 + 131919^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112022020961 - 2¹⁷ = 2112021889889 is a prime.

It is a super-4 number, since 4×2112022020961⁴ (a number of 50 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (2112022030961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056011010480 + 1056011010481.

It is an arithmetic number, because the mean of its divisors is an integer number (1056011010481).

Almost surely, 2^{2112022020961} is an apocalyptic number.

It is an amenable number.

2112022020961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112022020961 is an equidigital number, since it uses as much as digits as its factorization.

2112022020961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 2112022020961 in words is "two trillion, one hundred twelve billion, twenty-two million, twenty thousand, nine hundred sixty-one".