222100110100020 has 48 divisors (see below), whose sum is σ = 621881325088128. Its totient is φ = 59226599187840.

The previous prime is 222100110100007. The next prime is 222100110100039. The reversal of 222100110100020 is 20001011001222.

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 = 222100110099969 and 222100110100005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38739417 + ... + 44101503.

It is an arithmetic number, because the mean of its divisors is an integer number (12955860939336).

Almost surely, 2^{222100110100020} is an apocalyptic number.

222100110100020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222100110100020 is an abundant number, since it is smaller than the sum of its proper divisors (399781214988108).

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

222100110100020 is a wasteful number, since it uses less digits than its factorization.

222100110100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6052440 (or 6052438 counting only the distinct ones).

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

Adding to 222100110100020 its reverse (20001011001222), we get a palindrome (242101121101242).

The spelling of 222100110100020 in words is "two hundred twenty-two trillion, one hundred billion, one hundred ten million, one hundred thousand, twenty".