2111101101212 has 6 divisors (see below), whose sum is σ = 3694426927128. Its totient is φ = 1055550550604.

The previous prime is 2111101101169. The next prime is 2111101101281. The reversal of 2111101101212 is 2121011011112.

It is a super-3 number, since 3×2111101101212³ (a number of 38 digits) contains 333 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 (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263887637648 + ... + 263887637655.

It is an arithmetic number, because the mean of its divisors is an integer number (615737821188).

Almost surely, 2^{2111101101212} is an apocalyptic number.

It is an amenable number.

2111101101212 is a deficient number, since it is larger than the sum of its proper divisors (1583325825916).

2111101101212 is a wasteful number, since it uses less digits than its factorization.

2111101101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527775275307 (or 527775275305 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 2111101101212 its reverse (2121011011112), we get a palindrome (4232112112324).

The spelling of 2111101101212 in words is "two trillion, one hundred eleven billion, one hundred one million, one hundred one thousand, two hundred twelve".