211101020112 has 40 divisors (see below), whose sum is σ = 560083341856. Its totient is φ = 68465195136.

The previous prime is 211101020099. The next prime is 211101020131. The reversal of 211101020112 is 211020101112.

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 7 ways as a sum of consecutive naturals, for example, 59429818 + ... + 59433369.

Almost surely, 2^211101020112 is an apocalyptic number.

It is an amenable number.

211101020112 is an abundant number, since it is smaller than the sum of its proper divisors (348982321744).

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

211101020112 is a wasteful number, since it uses less digits than its factorization.

211101020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118863235 (or 118863229 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 211101020112 its reverse (211020101112), we get a palindrome (422121121224).

The spelling of 211101020112 in words is "two hundred eleven billion, one hundred one million, twenty thousand, one hundred twelve".