100211100212220 has 24 divisors (see below), whose sum is σ = 280591080594384. Its totient is φ = 26722960056576.

The previous prime is 100211100212207. The next prime is 100211100212233. The reversal of 100211100212220 is 22212001112001.

It is an interprime number because it is at equal distance from previous prime (100211100212207) and next prime (100211100212233).

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

It is a self number, because there is not a number n which added to its sum of digits gives 100211100212220.

It is a congruent number.

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, 835092501709 + ... + 835092501828.

It is an arithmetic number, because the mean of its divisors is an integer number (11691295024766).

Almost surely, 2^{100211100212220} is an apocalyptic number.

100211100212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100211100212220 is an abundant number, since it is smaller than the sum of its proper divisors (180379980382164).

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

100211100212220 is a wasteful number, since it uses less digits than its factorization.

100211100212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670185003549 (or 1670185003547 counting only the distinct ones).

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

Adding to 100211100212220 its reverse (22212001112001), we get a palindrome (122423101324221).

The spelling of 100211100212220 in words is "one hundred trillion, two hundred eleven billion, one hundred million, two hundred twelve thousand, two hundred twenty".