10011222221022 has 112 divisors (see below), whose sum is σ = 26006574416112. Its totient is φ = 2855250466560.

The previous prime is 10011222221003. The next prime is 10011222221047. The reversal of 10011222221022 is 22012222211001.

It is a happy number.

10011222221022 is a `hidden beast` number, since 100 + 112 + 222 + 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 = 10011222220986 and 10011222221004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 18086733 + ... + 18632024.

Almost surely, 2^{10011222221022} is an apocalyptic number.

10011222221022 is an abundant number, since it is smaller than the sum of its proper divisors (15995352195090).

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

10011222221022 is a wasteful number, since it uses less digits than its factorization.

10011222221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36718805 (or 36718790 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10011222221022 its reverse (22012222211001), we get a palindrome (32023444432023).

The spelling of 10011222221022 in words is "ten trillion, eleven billion, two hundred twenty-two million, two hundred twenty-one thousand, twenty-two".