2212122120111 has 40 divisors (see below), whose sum is σ = 3359020500000. Its totient is φ = 1450433770560.

The previous prime is 2212122120107. The next prime is 2212122120121. The reversal of 2212122120111 is 1110212212122.

2212122120111 is a `hidden beast` number, since 221 + 21 + 221 + 201 + 1 + 1 = 666.

It is not a de Polignac number, because 2212122120111 - 2² = 2212122120107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212122120121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 92626870 + ... + 92650748.

It is an arithmetic number, because the mean of its divisors is an integer number (83975512500).

Almost surely, 2^{2212122120111} is an apocalyptic number.

2212122120111 is a deficient number, since it is larger than the sum of its proper divisors (1146898379889).

2212122120111 is a wasteful number, since it uses less digits than its factorization.

2212122120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42701 (or 42692 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 2212122120111 its reverse (1110212212122), we get a palindrome (3322334332233).

The spelling of 2212122120111 in words is "two trillion, two hundred twelve billion, one hundred twenty-two million, one hundred twenty thousand, one hundred eleven".