2212012111121 has 16 divisors (see below), whose sum is σ = 2424814947840. Its totient is φ = 2010043848960.

The previous prime is 2212012111093. The next prime is 2212012111129. The reversal of 2212012111121 is 1211112102122.

It is a de Polignac number, because none of the positive numbers 2^k-2212012111121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2212012111121.

It is not an unprimeable number, because it can be changed into a prime (2212012111129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16550870 + ... + 16683983.

It is an arithmetic number, because the mean of its divisors is an integer number (151550934240).

Almost surely, 2^{2212012111121} is an apocalyptic number.

It is an amenable number.

2212012111121 is a deficient number, since it is larger than the sum of its proper divisors (212802836719).

2212012111121 is a wasteful number, since it uses less digits than its factorization.

2212012111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33235016.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2212012111121 its reverse (1211112102122), we get a palindrome (3423124213243).

The spelling of 2212012111121 in words is "two trillion, two hundred twelve billion, twelve million, one hundred eleven thousand, one hundred twenty-one".