100212010111220 has 24 divisors (see below), whose sum is σ = 240508824267264. Its totient is φ = 34358403466656.

The previous prime is 100212010111207. The next prime is 100212010111223. The reversal of 100212010111220 is 22111010212001.

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 = 100212010111195 and 100212010111204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212010111223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357900035972 + ... + 357900036251.

It is an arithmetic number, because the mean of its divisors is an integer number (10021201011136).

Almost surely, 2^{100212010111220} is an apocalyptic number.

100212010111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100212010111220 is an abundant number, since it is smaller than the sum of its proper divisors (140296814156044).

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

100212010111220 is a wasteful number, since it uses less digits than its factorization.

100212010111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715800072239 (or 715800072237 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100212010111220 its reverse (22111010212001), we get a palindrome (122323020323221).

The spelling of 100212010111220 in words is "one hundred trillion, two hundred twelve billion, ten million, one hundred eleven thousand, two hundred twenty".