211101131100 has 36 divisors (see below), whose sum is σ = 610785940184. Its totient is φ = 56293634880.

The previous prime is 211101131099. The next prime is 211101131119. The reversal of 211101131100 is 1131101112.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 351834919 + ... + 351835518.

Almost surely, 2^211101131100 is an apocalyptic number.

211101131100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211101131100 is an abundant number, since it is smaller than the sum of its proper divisors (399684809084).

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

211101131100 is a wasteful number, since it uses less digits than its factorization.

211101131100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703670454 (or 703670447 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 211101131100 its reverse (1131101112), we get a palindrome (212232232212).

The spelling of 211101131100 in words is "two hundred eleven billion, one hundred one million, one hundred thirty-one thousand, one hundred".