10042421022 has 24 divisors (see below), whose sum is σ = 21849628320. Its totient is φ = 3333466080.

The previous prime is 10042420981. The next prime is 10042421029. The reversal of 10042421022 is 22012424001.

10042421022 is a `hidden beast` number, since 10 + 0 + 424 + 210 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10042420986 and 10042421004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10042421029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1162879 + ... + 1171482.

It is an arithmetic number, because the mean of its divisors is an integer number (910401180).

Almost surely, 2^10042421022 is an apocalyptic number.

10042421022 is an abundant number, since it is smaller than the sum of its proper divisors (11807207298).

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

10042421022 is a wasteful number, since it uses less digits than its factorization.

10042421022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334608 (or 2334605 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 10042421022 its reverse (22012424001), we get a palindrome (32054845023).

The spelling of 10042421022 in words is "ten billion, forty-two million, four hundred twenty-one thousand, twenty-two".