2111212121114 has 8 divisors (see below), whose sum is σ = 3168196864308. Its totient is φ = 1055146499680.

The previous prime is 2111212121087. The next prime is 2111212121147. The reversal of 2111212121114 is 4111212121112.

It can be written as a sum of positive squares in 2 ways, for example, as 2078115415489 + 33096705625 = 1441567^2 + 181925^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 229774697 + ... + 229783884.

Almost surely, 2^{2111212121114} is an apocalyptic number.

2111212121114 is a deficient number, since it is larger than the sum of its proper divisors (1056984743194).

2111212121114 is a wasteful number, since it uses less digits than its factorization.

2111212121114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459560880.

The product of its digits is 64, while the sum is 20.

Adding to 2111212121114 its reverse (4111212121112), we get a palindrome (6222424242226).

The spelling of 2111212121114 in words is "two trillion, one hundred eleven billion, two hundred twelve million, one hundred twenty-one thousand, one hundred fourteen".