100020111211112 has 8 divisors (see below), whose sum is σ = 187537708520850. Its totient is φ = 50010055605552.

The previous prime is 100020111211061. The next prime is 100020111211117. The reversal of 100020111211112 is 211112111020001.

It can be written as a sum of positive squares in only one way, i.e., 98184991239556 + 1835119971556 = 9908834^2 + 1354666^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (100020111211117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6251256950687 + ... + 6251256950702.

Almost surely, 2^{100020111211112} is an apocalyptic number.

It is an amenable number.

100020111211112 is a deficient number, since it is larger than the sum of its proper divisors (87517597309738).

100020111211112 is a wasteful number, since it uses less digits than its factorization.

100020111211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12502513901395 (or 12502513901391 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 100020111211112 its reverse (211112111020001), we get a palindrome (311132222231113).

The spelling of 100020111211112 in words is "one hundred trillion, twenty billion, one hundred eleven million, two hundred eleven thousand, one hundred twelve".