10001012022 has 12 divisors (see below), whose sum is σ = 21668859420. Its totient is φ = 3333670668.

The previous prime is 10001012011. The next prime is 10001012027. The reversal of 10001012022 is 22021010001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10001011995 and 10001012013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001012027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 277805872 + ... + 277805907.

It is an arithmetic number, because the mean of its divisors is an integer number (1805738285).

Almost surely, 2^10001012022 is an apocalyptic number.

10001012022 is an abundant number, since it is smaller than the sum of its proper divisors (11667847398).

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

10001012022 is a wasteful number, since it uses less digits than its factorization.

10001012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555611787 (or 555611784 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10001012022 its reverse (22021010001), we get a palindrome (32022022023).

The spelling of 10001012022 in words is "ten billion, one million, twelve thousand, twenty-two".