22101213020 has 12 divisors (see below), whose sum is σ = 46412547384. Its totient is φ = 8840485200.

The previous prime is 22101212977. The next prime is 22101213023. The reversal of 22101213020 is 2031210122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22101212986 and 22101213004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101213023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552530306 + ... + 552530345.

It is an arithmetic number, because the mean of its divisors is an integer number (3867712282).

Almost surely, 2^22101213020 is an apocalyptic number.

22101213020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22101213020 is an abundant number, since it is smaller than the sum of its proper divisors (24311334364).

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

22101213020 is a wasteful number, since it uses less digits than its factorization.

22101213020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105060660 (or 1105060658 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22101213020 its reverse (2031210122), we get a palindrome (24132423142).

The spelling of 22101213020 in words is "twenty-two billion, one hundred one million, two hundred thirteen thousand, twenty".