100122221022102 has 24 divisors (see below), whose sum is σ = 224965978100136. Its totient is φ = 33374073673872.

The previous prime is 100122221022077. The next prime is 100122221022107. The reversal of 100122221022102 is 201220122221001.

It is a happy number.

100122221022102 is a `hidden beast` number, since 10 + 0 + 1 + 222 + 210 + 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 (100122221022107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103006399743 + ... + 103006400714.

It is an arithmetic number, because the mean of its divisors is an integer number (9373582420839).

Almost surely, 2^{100122221022102} is an apocalyptic number.

100122221022102 is an abundant number, since it is smaller than the sum of its proper divisors (124843757078034).

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

100122221022102 is an equidigital number, since it uses as much as digits as its factorization.

100122221022102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206012800474 (or 206012800462 counting only the distinct ones).

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

Adding to 100122221022102 its reverse (201220122221001), we get a palindrome (301342343243103).

The spelling of 100122221022102 in words is "one hundred trillion, one hundred twenty-two billion, two hundred twenty-one million, twenty-two thousand, one hundred two".