100222220101020 has 48 divisors (see below), whose sum is σ = 280623073697568. Its totient is φ = 26725843701760.

The previous prime is 100222220101019. The next prime is 100222220101049. The reversal of 100222220101020 is 20101022222001.

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

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, 18713740 + ... + 23465900.

It is an arithmetic number, because the mean of its divisors is an integer number (5846314035366).

Almost surely, 2^{100222220101020} is an apocalyptic number.

100222220101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100222220101020 is an abundant number, since it is smaller than the sum of its proper divisors (180400853596548).

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

100222220101020 is a wasteful number, since it uses less digits than its factorization.

100222220101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5103670 (or 5103668 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 100222220101020 its reverse (20101022222001), we get a palindrome (120323242323021).

The spelling of 100222220101020 in words is "one hundred trillion, two hundred twenty-two billion, two hundred twenty million, one hundred one thousand, twenty".