100021212102 has 16 divisors (see below), whose sum is σ = 228619913472. Its totient is φ = 28577489160.

The previous prime is 100021212097. The next prime is 100021212107. The reversal of 100021212102 is 201212120001.

It is an interprime number because it is at equal distance from previous prime (100021212097) and next prime (100021212107).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100021212107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1190728674 + ... + 1190728757.

It is an arithmetic number, because the mean of its divisors is an integer number (14288744592).

Almost surely, 2^100021212102 is an apocalyptic number.

100021212102 is an abundant number, since it is smaller than the sum of its proper divisors (128598701370).

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

100021212102 is a wasteful number, since it uses less digits than its factorization.

100021212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381457443.

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

Adding to 100021212102 its reverse (201212120001), we get a palindrome (301233332103).

The spelling of 100021212102 in words is "one hundred billion, twenty-one million, two hundred twelve thousand, one hundred two".