100220021010220 has 48 divisors (see below), whose sum is σ = 213346749002688. Its totient is φ = 39538549370880.

The previous prime is 100220021010211. The next prime is 100220021010229. The reversal of 100220021010220 is 22010120022001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (100220021010211) and next prime (100220021010229).

It is a super-2 number, since 2×100220021010220² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100220021010220.

It is not an unprimeable number, because it can be changed into a prime (100220021010229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311229337 + ... + 311551183.

It is an arithmetic number, because the mean of its divisors is an integer number (4444723937556).

Almost surely, 2^{100220021010220} is an apocalyptic number.

100220021010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100220021010220 is an abundant number, since it is smaller than the sum of its proper divisors (113126727992468).

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

100220021010220 is a wasteful number, since it uses less digits than its factorization.

100220021010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535210 (or 535208 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100220021010220 its reverse (22010120022001), we get a palindrome (122230141032221).

The spelling of 100220021010220 in words is "one hundred trillion, two hundred twenty billion, twenty-one million, ten thousand, two hundred twenty".