100021001102 has 16 divisors (see below), whose sum is σ = 169314548400. Its totient is φ = 43896363840.

The previous prime is 100021001089. The next prime is 100021001111. The reversal of 100021001102 is 201100120001.

It is a super-2 number, since 2×100021001102² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100021001102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78385727 + ... + 78387002.

It is an arithmetic number, because the mean of its divisors is an integer number (10582159275).

Almost surely, 2^100021001102 is an apocalyptic number.

100021001102 is a deficient number, since it is larger than the sum of its proper divisors (69293547298).

100021001102 is a wasteful number, since it uses less digits than its factorization.

100021001102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156772771.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 100021001102 its reverse (201100120001), we get a palindrome (301121121103).

The spelling of 100021001102 in words is "one hundred billion, twenty-one million, one thousand, one hundred two".