100220111100020 has 48 divisors (see below), whose sum is σ = 215854064247360. Its totient is φ = 39065335174656.

The previous prime is 100220111100001. The next prime is 100220111100041. The reversal of 100220111100020 is 20001111022001.

It is a junction number, because it is equal to n+sod(n) for n = 100220111099974 and 100220111100010.

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, 134194610 + ... + 134939369.

It is an arithmetic number, because the mean of its divisors is an integer number (4496959671820).

Almost surely, 2^{100220111100020} is an apocalyptic number.

100220111100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100220111100020 is an abundant number, since it is smaller than the sum of its proper divisors (115633953147340).

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

100220111100020 is a wasteful number, since it uses less digits than its factorization.

100220111100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269134464 (or 269134462 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100220111100020 its reverse (20001111022001), we get a palindrome (120221222122021).

The spelling of 100220111100020 in words is "one hundred trillion, two hundred twenty billion, one hundred eleven million, one hundred thousand, twenty".