2111120211212 has 12 divisors (see below), whose sum is σ = 3911781567960. Its totient is φ = 993468334656.

The previous prime is 2111120211181. The next prime is 2111120211223. The reversal of 2111120211212 is 2121120211112.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 15522942662 + ... + 15522942797.

It is an arithmetic number, because the mean of its divisors is an integer number (325981797330).

Almost surely, 2^{2111120211212} is an apocalyptic number.

It is an amenable number.

2111120211212 is a deficient number, since it is larger than the sum of its proper divisors (1800661356748).

2111120211212 is a wasteful number, since it uses less digits than its factorization.

2111120211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31045885480 (or 31045885478 counting only the distinct ones).

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

Adding to 2111120211212 its reverse (2121120211112), we get a palindrome (4232240422324).

The spelling of 2111120211212 in words is "two trillion, one hundred eleven billion, one hundred twenty million, two hundred eleven thousand, two hundred twelve".