101212220112102 has 24 divisors (see below), whose sum is σ = 239228883901800. Its totient is φ = 30670369730880.

The previous prime is 101212220112079. The next prime is 101212220112127. The reversal of 101212220112102 is 201211022212101.

101212220112102 is a `hidden beast` number, since 10 + 1 + 212 + 220 + 11 + 210 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 255586414227 + ... + 255586414622.

It is an arithmetic number, because the mean of its divisors is an integer number (9967870162575).

Almost surely, 2^{101212220112102} is an apocalyptic number.

101212220112102 is an abundant number, since it is smaller than the sum of its proper divisors (138016663789698).

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

101212220112102 is a wasteful number, since it uses less digits than its factorization.

101212220112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511172828868 (or 511172828865 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 101212220112102 its reverse (201211022212101), we get a palindrome (302423242324203).

The spelling of 101212220112102 in words is "one hundred one trillion, two hundred twelve billion, two hundred twenty million, one hundred twelve thousand, one hundred two".