2111533361212 has 12 divisors (see below), whose sum is σ = 4031109144216. Its totient is φ = 959787891440.

The previous prime is 2111533361159. The next prime is 2111533361233. The reversal of 2111533361212 is 2121633351112.

It is a super-2 number, since 2×2111533361212² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23994697243 + ... + 23994697330.

It is an arithmetic number, because the mean of its divisors is an integer number (335925762018).

Almost surely, 2^{2111533361212} is an apocalyptic number.

2111533361212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2111533361212 is a deficient number, since it is larger than the sum of its proper divisors (1919575783004).

2111533361212 is a wasteful number, since it uses less digits than its factorization.

2111533361212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47989394588 (or 47989394586 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The spelling of 2111533361212 in words is "two trillion, one hundred eleven billion, five hundred thirty-three million, three hundred sixty-one thousand, two hundred twelve".