22102011101220 has 24 divisors (see below), whose sum is σ = 61885631083584. Its totient is φ = 5893869626976.

The previous prime is 22102011101189. The next prime is 22102011101237. The reversal of 22102011101220 is 2210111020122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22102011101220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184183425784 + ... + 184183425903.

It is an arithmetic number, because the mean of its divisors is an integer number (2578567961816).

Almost surely, 2^{22102011101220} is an apocalyptic number.

22102011101220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102011101220 is an abundant number, since it is smaller than the sum of its proper divisors (39783619982364).

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

22102011101220 is a wasteful number, since it uses less digits than its factorization.

22102011101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368366851699 (or 368366851697 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22102011101220 its reverse (2210111020122), we get a palindrome (24312122121342).

The spelling of 22102011101220 in words is "twenty-two trillion, one hundred two billion, eleven million, one hundred one thousand, two hundred twenty".