211012112101 has 8 divisors (see below), whose sum is σ = 241979762304. Its totient is φ = 180250227600.

The previous prime is 211012112093. The next prime is 211012112153. The reversal of 211012112101 is 101211210112.

It is a happy number.

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 211012112101 - 2³ = 211012112093 is a prime.

It is a super-2 number, since 2×211012112101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211012112191) 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, 51439225 + ... + 51443326.

It is an arithmetic number, because the mean of its divisors is an integer number (30247470288).

Almost surely, 2^211012112101 is an apocalyptic number.

It is an amenable number.

211012112101 is a deficient number, since it is larger than the sum of its proper divisors (30967650203).

211012112101 is a wasteful number, since it uses less digits than its factorization.

211012112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102882851.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 211012112101 its reverse (101211210112), we get a palindrome (312223322213).

The spelling of 211012112101 in words is "two hundred eleven billion, twelve million, one hundred twelve thousand, one hundred one".