100212221101020 has 48 divisors (see below), whose sum is σ = 320679107524608. Its totient is φ = 22905650537280.

The previous prime is 100212221100977. The next prime is 100212221101063. The reversal of 100212221101020 is 20101122212001.

100212221101020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (100212221100977) and next prime (100212221101063).

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 119300262796 + ... + 119300263635.

It is an arithmetic number, because the mean of its divisors is an integer number (6680814740096).

Almost surely, 2^{100212221101020} is an apocalyptic number.

100212221101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100212221101020 is an abundant number, since it is smaller than the sum of its proper divisors (220466886423588).

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

100212221101020 is a wasteful number, since it uses less digits than its factorization.

100212221101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238600526450 (or 238600526448 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100212221101020 its reverse (20101122212001), we get a palindrome (120313343313021).

The spelling of 100212221101020 in words is "one hundred trillion, two hundred twelve billion, two hundred twenty-one million, one hundred one thousand, twenty".