100101000212220 has 192 divisors, whose sum is σ = 337188536294400. Its totient is φ = 21675606220800.

The previous prime is 100101000212149. The next prime is 100101000212243. The reversal of 100101000212220 is 22212000101001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 100101000212196 and 100101000212205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 691705870 + ... + 691850570.

It is an arithmetic number, because the mean of its divisors is an integer number (1756190293200).

Almost surely, 2^{100101000212220} is an apocalyptic number.

100101000212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100101000212220 is an abundant number, since it is smaller than the sum of its proper divisors (237087536082180).

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

100101000212220 is a wasteful number, since it uses less digits than its factorization.

100101000212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231428 (or 231426 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100101000212220 its reverse (22212000101001), we get a palindrome (122313000313221).

The spelling of 100101000212220 in words is "one hundred trillion, one hundred one billion, two hundred twelve thousand, two hundred twenty".