100220111020220 has 24 divisors (see below), whose sum is σ = 210582703870224. Its totient is φ = 40065097602816.

The previous prime is 100220111020207. The next prime is 100220111020229. The reversal of 100220111020220 is 22020111022001.

It is a junction number, because it is equal to n+sod(n) for n = 100220111020195 and 100220111020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100220111020229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1434139517 + ... + 1434209396.

It is an arithmetic number, because the mean of its divisors is an integer number (8774279327926).

Almost surely, 2^{100220111020220} is an apocalyptic number.

100220111020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100220111020220 is an abundant number, since it is smaller than the sum of its proper divisors (110362592850004).

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

100220111020220 is a wasteful number, since it uses less digits than its factorization.

100220111020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2868350669 (or 2868350667 counting only the distinct ones).

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

Adding to 100220111020220 its reverse (22020111022001), we get a palindrome (122240222042221).

The spelling of 100220111020220 in words is "one hundred trillion, two hundred twenty billion, one hundred eleven million, twenty thousand, two hundred twenty".