22201111010100 has 144 divisors (see below), whose sum is σ = 71968692833856. Its totient is φ = 5236625664000.

The previous prime is 22201111010069. The next prime is 22201111010101. The reversal of 22201111010100 is 101011110222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201111010101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 90791541 + ... + 91035740.

It is an arithmetic number, because the mean of its divisors is an integer number (499782589124).

Almost surely, 2^{22201111010100} is an apocalyptic number.

22201111010100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201111010100 is an abundant number, since it is smaller than the sum of its proper divisors (49767581823756).

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

22201111010100 is a wasteful number, since it uses less digits than its factorization.

22201111010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181827346 (or 181827339 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 22201111010100 its reverse (101011110222), we get a palindrome (22302122120322).

The spelling of 22201111010100 in words is "twenty-two trillion, two hundred one billion, one hundred eleven million, ten thousand, one hundred".