100202001112220 has 96 divisors (see below), whose sum is σ = 242270130816000. Its totient is φ = 34100749039104.

The previous prime is 100202001112063. The next prime is 100202001112243. The reversal of 100202001112220 is 22211100202001.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 100202001112195 and 100202001112204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7381424 + ... + 15965256.

It is an arithmetic number, because the mean of its divisors is an integer number (2523647196000).

Almost surely, 2^{100202001112220} is an apocalyptic number.

100202001112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100202001112220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121135065408000).

100202001112220 is an abundant number, since it is smaller than the sum of its proper divisors (142068129703780).

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

100202001112220 is a wasteful number, since it uses less digits than its factorization.

100202001112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8584467 (or 8584465 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100202001112220 its reverse (22211100202001), we get a palindrome (122413101314221).

The spelling of 100202001112220 in words is "one hundred trillion, two hundred two billion, one million, one hundred twelve thousand, two hundred twenty".