20110100022 has 24 divisors (see below), whose sum is σ = 43793068176. Its totient is φ = 6669338256.

The previous prime is 20110100009. The next prime is 20110100053. The reversal of 20110100022 is 22000101102.

It is a super-2 number, since 2×20110100022² (a number of 21 digits) contains 22 as substring.

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 = 20110099977 and 20110100013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2832058 + ... + 2839149.

It is an arithmetic number, because the mean of its divisors is an integer number (1824711174).

Almost surely, 2^20110100022 is an apocalyptic number.

20110100022 is an abundant number, since it is smaller than the sum of its proper divisors (23682968154).

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

20110100022 is a wasteful number, since it uses less digits than its factorization.

20110100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5671412 (or 5671409 counting only the distinct ones).

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

Adding to 20110100022 its reverse (22000101102), we get a palindrome (42110201124).

The spelling of 20110100022 in words is "twenty billion, one hundred ten million, one hundred thousand, twenty-two".