22201101211020 has 96 divisors (see below), whose sum is σ = 67598647236288. Its totient is φ = 5421445373952.

The previous prime is 22201101211007. The next prime is 22201101211027. The reversal of 22201101211020 is 2011210110222.

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

It is not an unprimeable number, because it can be changed into a prime (22201101211027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 294094497 + ... + 294169976.

It is an arithmetic number, because the mean of its divisors is an integer number (704152575378).

Almost surely, 2^{22201101211020} is an apocalyptic number.

22201101211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201101211020 is an abundant number, since it is smaller than the sum of its proper divisors (45397546025268).

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

22201101211020 is a wasteful number, since it uses less digits than its factorization.

22201101211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588264539 (or 588264537 counting only the distinct ones).

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

Adding to 22201101211020 its reverse (2011210110222), we get a palindrome (24212311321242).

The spelling of 22201101211020 in words is "twenty-two trillion, two hundred one billion, one hundred one million, two hundred eleven thousand, twenty".