22200001111020 has 48 divisors (see below), whose sum is σ = 62196719286240. Its totient is φ = 5916503517696.

The previous prime is 22200001111009. The next prime is 22200001111021. The reversal of 22200001111020 is 2011110000222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 22200001110987 and 22200001111005.

It is not an unprimeable number, because it can be changed into a prime (22200001111021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109171905 + ... + 109375064.

It is an arithmetic number, because the mean of its divisors is an integer number (1295764985130).

Almost surely, 2^{22200001111020} is an apocalyptic number.

22200001111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22200001111020 is an abundant number, since it is smaller than the sum of its proper divisors (39996718175220).

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

22200001111020 is a wasteful number, since it uses less digits than its factorization.

22200001111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218548674 (or 218548672 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22200001111020 its reverse (2011110000222), we get a palindrome (24211111111242).

The spelling of 22200001111020 in words is "twenty-two trillion, two hundred billion, one million, one hundred eleven thousand, twenty".