100021100012111 has 8 divisors (see below), whose sum is σ = 100058315658000. Its totient is φ = 99983886537600.

The previous prime is 100021100012107. The next prime is 100021100012123. The reversal of 100021100012111 is 111210001120001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100021100012111 - 2² = 100021100012107 is a prime.

It is a super-2 number, since 2×100021100012111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100021100012092 and 100021100012101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100021100012131) 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, 94701365 + ... + 95751713.

It is an arithmetic number, because the mean of its divisors is an integer number (12507289457250).

Almost surely, 2^{100021100012111} is an apocalyptic number.

100021100012111 is a deficient number, since it is larger than the sum of its proper divisors (37215645889).

100021100012111 is a wasteful number, since it uses less digits than its factorization.

100021100012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085689.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 100021100012111 its reverse (111210001120001), we get a palindrome (211231101132112).

The spelling of 100021100012111 in words is "one hundred trillion, twenty-one billion, one hundred million, twelve thousand, one hundred eleven".