2111505333212 has 24 divisors (see below), whose sum is σ = 4031093256960. Its totient is φ = 959766194160.

The previous prime is 2111505333137. The next prime is 2111505333227. The reversal of 2111505333212 is 2123335051112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7674239 + ... + 7944617.

It is an arithmetic number, because the mean of its divisors is an integer number (167962219040).

Almost surely, 2^{2111505333212} is an apocalyptic number.

2111505333212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2111505333212 is a deficient number, since it is larger than the sum of its proper divisors (1919587923748).

2111505333212 is a wasteful number, since it uses less digits than its factorization.

2111505333212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447881 (or 447879 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 2111505333212 in words is "two trillion, one hundred eleven billion, five hundred five million, three hundred thirty-three thousand, two hundred twelve".