100212221022220 has 24 divisors (see below), whose sum is σ = 211621338255600. Its totient is φ = 39860950483392.

The previous prime is 100212221022211. The next prime is 100212221022239. The reversal of 100212221022220 is 22220122212001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13996116675 + ... + 13996123834.

It is an arithmetic number, because the mean of its divisors is an integer number (8817555760650).

Almost surely, 2^{100212221022220} is an apocalyptic number.

100212221022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100212221022220 is an abundant number, since it is smaller than the sum of its proper divisors (111409117233380).

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

100212221022220 is a wasteful number, since it uses less digits than its factorization.

100212221022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27992240697 (or 27992240695 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 100212221022220 its reverse (22220122212001), we get a palindrome (122432343234221).

The spelling of 100212221022220 in words is "one hundred trillion, two hundred twelve billion, two hundred twenty-one million, twenty-two thousand, two hundred twenty".