2111020211212 has 96 divisors (see below), whose sum is σ = 4304423337984. Its totient is φ = 896224929600.

The previous prime is 2111020211203. The next prime is 2111020211213. The reversal of 2111020211212 is 2121120201112.

It is not an unprimeable number, because it can be changed into a prime (2111020211213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 238071603 + ... + 238080469.

It is an arithmetic number, because the mean of its divisors is an integer number (44837743104).

Almost surely, 2^{2111020211212} is an apocalyptic number.

2111020211212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2111020211212 is an abundant number, since it is smaller than the sum of its proper divisors (2193403126772).

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

2111020211212 is a wasteful number, since it uses less digits than its factorization.

2111020211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14419 (or 14417 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2111020211212 its reverse (2121120201112), we get a palindrome (4232140412324).

It can be divided in two parts, 2111020 and 211212, that added together give a palindrome (2322232).

The spelling of 2111020211212 in words is "two trillion, one hundred eleven billion, twenty million, two hundred eleven thousand, two hundred twelve".