10020001122 has 12 divisors (see below), whose sum is σ = 21710002470. Its totient is φ = 3340000368.

The previous prime is 10020001109. The next prime is 10020001141. The reversal of 10020001122 is 22110002001.

It can be written as a sum of positive squares in only one way, i.e., 8420081121 + 1599920001 = 91761^2 + 39999^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 278333347 + ... + 278333382.

Almost surely, 2^10020001122 is an apocalyptic number.

10020001122 is an abundant number, since it is smaller than the sum of its proper divisors (11690001348).

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

10020001122 is a wasteful number, since it uses less digits than its factorization.

10020001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556666737 (or 556666734 counting only the distinct ones).

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

Adding to 10020001122 its reverse (22110002001), we get a palindrome (32130003123).

The spelling of 10020001122 in words is "ten billion, twenty million, one thousand, one hundred twenty-two".