2111101112212 has 12 divisors (see below), whose sum is σ = 3694438011796. Its totient is φ = 1055547394560.

The previous prime is 2111101112191. The next prime is 2111101112251. The reversal of 2111101112212 is 2122111011112.

It can be written as a sum of positive squares in 2 ways, for example, as 1349467895556 + 761633216656 = 1161666^2 + 872716^2 .

It is a congruent number.

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, 1365298 + ... + 2467030.

Almost surely, 2^{2111101112212} is an apocalyptic number.

It is an amenable number.

2111101112212 is a deficient number, since it is larger than the sum of its proper divisors (1583336899584).

2111101112212 is a wasteful number, since it uses less digits than its factorization.

2111101112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580778 (or 1580776 counting only the distinct ones).

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

Adding to 2111101112212 its reverse (2122111011112), we get a palindrome (4233212123324).

The spelling of 2111101112212 in words is "two trillion, one hundred eleven billion, one hundred one million, one hundred twelve thousand, two hundred twelve".