10122021444 has 24 divisors (see below), whose sum is σ = 23941587040. Its totient is φ = 3327787584.

The previous prime is 10122021431. The next prime is 10122021499. The reversal of 10122021444 is 44412022101.

It is a super-2 number, since 2×10122021444² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10122021444.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5776534 + ... + 5778285.

Almost surely, 2^10122021444 is an apocalyptic number.

It is an amenable number.

10122021444 is an abundant number, since it is smaller than the sum of its proper divisors (13819565596).

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

10122021444 is a wasteful number, since it uses less digits than its factorization.

10122021444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11554899 (or 11554897 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 10122021444 its reverse (44412022101), we get a palindrome (54534043545).

The spelling of 10122021444 in words is "ten billion, one hundred twenty-two million, twenty-one thousand, four hundred forty-four".