10012022421 has 16 divisors (see below), whose sum is σ = 13548644928. Its totient is φ = 6575731200.

The previous prime is 10012022417. The next prime is 10012022441. The reversal of 10012022421 is 12422021001.

It is not a de Polignac number, because 10012022421 - 2² = 10012022417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10012022421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012022441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28060 + ... + 144261.

It is an arithmetic number, because the mean of its divisors is an integer number (846790308).

Almost surely, 2^10012022421 is an apocalyptic number.

It is an amenable number.

10012022421 is a deficient number, since it is larger than the sum of its proper divisors (3536622507).

10012022421 is a wasteful number, since it uses less digits than its factorization.

10012022421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172612.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10012022421 its reverse (12422021001), we get a palindrome (22434043422).

The spelling of 10012022421 in words is "ten billion, twelve million, twenty-two thousand, four hundred twenty-one".