2122041402544 has 20 divisors (see below), whose sum is σ = 4698805963024. Its totient is φ = 909446315328.

The previous prime is 2122041402541. The next prime is 2122041402563. The reversal of 2122041402544 is 4452041402212.

It is a super-2 number, since 2×2122041402544² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2122041402541) 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, 9473399007 + ... + 9473399230.

Almost surely, 2^{2122041402544} is an apocalyptic number.

It is an amenable number.

2122041402544 is an abundant number, since it is smaller than the sum of its proper divisors (2576764560480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2122041402544 is a wasteful number, since it uses less digits than its factorization.

2122041402544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18946798252 (or 18946798246 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 31.

Adding to 2122041402544 its reverse (4452041402212), we get a palindrome (6574082804756).

The spelling of 2122041402544 in words is "two trillion, one hundred twenty-two billion, forty-one million, four hundred two thousand, five hundred forty-four".