2021222112524 has 24 divisors (see below), whose sum is σ = 3572304986208. Its totient is φ = 1000564358400.

The previous prime is 2021222112523. The next prime is 2021222112529. The reversal of 2021222112524 is 4252112221202.

It is a junction number, because it is equal to n+sod(n) for n = 2021222112493 and 2021222112502.

It is not an unprimeable number, because it can be changed into a prime (2021222112521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11490137 + ... + 11664719.

It is an arithmetic number, because the mean of its divisors is an integer number (148846041092).

Almost surely, 2^{2021222112524} is an apocalyptic number.

It is an amenable number.

2021222112524 is a deficient number, since it is larger than the sum of its proper divisors (1551082873684).

2021222112524 is a wasteful number, since it uses less digits than its factorization.

2021222112524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203345 (or 203343 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 2021222112524 its reverse (4252112221202), we get a palindrome (6273334333726).

The spelling of 2021222112524 in words is "two trillion, twenty-one billion, two hundred twenty-two million, one hundred twelve thousand, five hundred twenty-four".