100021112112102 has 32 divisors (see below), whose sum is σ = 208891744466688. Its totient is φ = 31867562222496.

The previous prime is 100021112112043. The next prime is 100021112112113. The reversal of 100021112112102 is 201211211120001.

It is a happy number.

It is a super-4 number, since 4×100021112112102⁴ (a number of 57 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263754688 + ... + 264133635.

It is an arithmetic number, because the mean of its divisors is an integer number (6527867014584).

Almost surely, 2^{100021112112102} is an apocalyptic number.

100021112112102 is an abundant number, since it is smaller than the sum of its proper divisors (108870632354586).

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

100021112112102 is a wasteful number, since it uses less digits than its factorization.

100021112112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527889724.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 100021112112102 its reverse (201211211120001), we get a palindrome (301232323232103).

The spelling of 100021112112102 in words is "one hundred trillion, twenty-one billion, one hundred twelve million, one hundred twelve thousand, one hundred two".