11100020312 has 8 divisors (see below), whose sum is σ = 20812538100. Its totient is φ = 5550010152.

The previous prime is 11100020297. The next prime is 11100020389. The reversal of 11100020312 is 21302000111.

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

It is a junction number, because it is equal to n+sod(n) for n = 11100020293 and 11100020302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693751262 + ... + 693751277.

Almost surely, 2^11100020312 is an apocalyptic number.

It is an amenable number.

11100020312 is a deficient number, since it is larger than the sum of its proper divisors (9712517788).

11100020312 is a wasteful number, since it uses less digits than its factorization.

11100020312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387502545 (or 1387502541 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 11100020312 its reverse (21302000111), we get a palindrome (32402020423).

The spelling of 11100020312 in words is "eleven billion, one hundred million, twenty thousand, three hundred twelve".