100220212022100 has 144 divisors (see below), whose sum is σ = 302990701437312. Its totient is φ = 25528540055040.

The previous prime is 100220212022057. The next prime is 100220212022111. The reversal of 100220212022100 is 1220212022001.

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 100220212022100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4849987 + ... + 14965386.

Almost surely, 2^{100220212022100} is an apocalyptic number.

100220212022100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100220212022100 is an abundant number, since it is smaller than the sum of its proper divisors (202770489415212).

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

100220212022100 is a wasteful number, since it uses less digits than its factorization.

100220212022100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19816146 (or 19816139 counting only the distinct ones).

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

Adding to 100220212022100 its reverse (1220212022001), we get a palindrome (101440424044101).

Subtracting from 100220212022100 its reverse (1220212022001), we obtain a palindrome (99000000000099).

The spelling of 100220212022100 in words is "one hundred trillion, two hundred twenty billion, two hundred twelve million, twenty-two thousand, one hundred".