100212221022102 has 72 divisors (see below), whose sum is σ = 253884382737336. Its totient is φ = 28483710441984.

The previous prime is 100212221022077. The next prime is 100212221022103. The reversal of 100212221022102 is 201220122212001.

It is a happy number.

100212221022102 is a `hidden beast` number, since 10 + 0 + 212 + 221 + 0 + 221 + 0 + 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 not an unprimeable number, because it can be changed into a prime (100212221022103) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 294180288 + ... + 294520739.

It is an arithmetic number, because the mean of its divisors is an integer number (3526171982463).

Almost surely, 2^{100212221022102} is an apocalyptic number.

100212221022102 is an abundant number, since it is smaller than the sum of its proper divisors (153672161715234).

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

100212221022102 is a wasteful number, since it uses less digits than its factorization.

100212221022102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588701242 (or 588701232 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 100212221022102 its reverse (201220122212001), we get a palindrome (301432343234103).

The spelling of 100212221022102 in words is "one hundred trillion, two hundred twelve billion, two hundred twenty-one million, twenty-two thousand, one hundred two".