2111665222122 has 16 divisors (see below), whose sum is σ = 4223360299872. Its totient is φ = 703883431440.

The previous prime is 2111665222099. The next prime is 2111665222127. The reversal of 2111665222122 is 2212225661112.

It is not an unprimeable number, because it can be changed into a prime (2111665222127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265273 + ... + 2072124.

It is an arithmetic number, because the mean of its divisors is an integer number (263960018742).

Almost surely, 2^{2111665222122} is an apocalyptic number.

2111665222122 is an abundant number, since it is smaller than the sum of its proper divisors (2111695077750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111665222122 is a wasteful number, since it uses less digits than its factorization.

2111665222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487973.

The product of its digits is 11520, while the sum is 33.

The spelling of 2111665222122 in words is "two trillion, one hundred eleven billion, six hundred sixty-five million, two hundred twenty-two thousand, one hundred twenty-two".