2112020162461 has 16 divisors (see below), whose sum is σ = 2430887538240. Its totient is φ = 1814763813120.

The previous prime is 2112020162419. The next prime is 2112020162471. The reversal of 2112020162461 is 1642610202112.

It is a cyclic number.

It is not a de Polignac number, because 2112020162461 - 2¹¹ = 2112020160413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112020162471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11578510 + ... + 11759503.

It is an arithmetic number, because the mean of its divisors is an integer number (151930471140).

Almost surely, 2^{2112020162461} is an apocalyptic number.

It is an amenable number.

2112020162461 is a deficient number, since it is larger than the sum of its proper divisors (318867375779).

2112020162461 is a wasteful number, since it uses less digits than its factorization.

2112020162461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23338476.

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 2112020162461 its reverse (1642610202112), we get a palindrome (3754630364573).

The spelling of 2112020162461 in words is "two trillion, one hundred twelve billion, twenty million, one hundred sixty-two thousand, four hundred sixty-one".