20221110100 has 36 divisors (see below), whose sum is σ = 45787631904. Its totient is φ = 7736771680.

The previous prime is 20221110083. The next prime is 20221110109. The reversal of 20221110100 is 101112202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221110109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4393594 + ... + 4398193.

It is an arithmetic number, because the mean of its divisors is an integer number (1271878664).

Almost surely, 2^20221110100 is an apocalyptic number.

20221110100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20221110100 is an abundant number, since it is smaller than the sum of its proper divisors (25566521804).

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

20221110100 is a wasteful number, since it uses less digits than its factorization.

20221110100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8791824 (or 8791817 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20221110100 its reverse (101112202), we get a palindrome (20322222302).

It can be divided in two parts, 20221 and 110100, that added together give a 4-th power (130321 = 19⁴).

The spelling of 20221110100 in words is "twenty billion, two hundred twenty-one million, one hundred ten thousand, one hundred".