2112022521654 has 32 divisors (see below), whose sum is σ = 4234373387520. Its totient is φ = 702286351200.

The previous prime is 2112022521643. The next prime is 2112022521689. The reversal of 2112022521654 is 4561252202112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64747809 + ... + 64780419.

It is an arithmetic number, because the mean of its divisors is an integer number (132324168360).

Almost surely, 2^{2112022521654} is an apocalyptic number.

2112022521654 is an abundant number, since it is smaller than the sum of its proper divisors (2122350865866).

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

2112022521654 is a wasteful number, since it uses less digits than its factorization.

2112022521654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58676.

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 2112022521654 its reverse (4561252202112), we get a palindrome (6673274723766).

The spelling of 2112022521654 in words is "two trillion, one hundred twelve billion, twenty-two million, five hundred twenty-one thousand, six hundred fifty-four".