211211002012112 has 20 divisors (see below), whose sum is σ = 409221550614720. Its totient is φ = 105605440563168.

The previous prime is 211211002012097. The next prime is 211211002012121. The reversal of 211211002012112 is 211210200112112.

It is a super-2 number, since 2×211211002012112² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41484839 + ... + 46297017.

It is an arithmetic number, because the mean of its divisors is an integer number (20461077530736).

Almost surely, 2^{211211002012112} is an apocalyptic number.

It is an amenable number.

211211002012112 is a deficient number, since it is larger than the sum of its proper divisors (198010548602608).

211211002012112 is a wasteful number, since it uses less digits than its factorization.

211211002012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7555370 (or 7555364 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211211002012112 its reverse (211210200112112), we get a palindrome (422421202124224).

The spelling of 211211002012112 in words is "two hundred eleven trillion, two hundred eleven billion, two million, twelve thousand, one hundred twelve".