22011101020 has 24 divisors (see below), whose sum is σ = 46230839424. Its totient is φ = 8803006656.

The previous prime is 22011101017. The next prime is 22011101059. The reversal of 22011101020 is 2010111022.

It is a super-2 number, since 2×22011101020² (a number of 21 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 22011100988 and 22011101006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40914 + ... + 213766.

It is an arithmetic number, because the mean of its divisors is an integer number (1926284976).

Almost surely, 2^22011101020 is an apocalyptic number.

22011101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22011101020 is an abundant number, since it is smaller than the sum of its proper divisors (24219738404).

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

22011101020 is a wasteful number, since it uses less digits than its factorization.

22011101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179229 (or 179227 counting only the distinct ones).

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

Adding to 22011101020 its reverse (2010111022), we get a palindrome (24021212042).

The spelling of 22011101020 in words is "twenty-two billion, eleven million, one hundred one thousand, twenty".