2122102221111 has 12 divisors (see below), whose sum is σ = 3170957342280. Its totient is φ = 1365950854800.

The previous prime is 2122102221101. The next prime is 2122102221131. The reversal of 2122102221111 is 1111222012212.

2122102221111 is a `hidden beast` number, since 212 + 210 + 22 + 211 + 11 = 666.

It is not a de Polignac number, because 2122102221111 - 2⁷ = 2122102220983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122102221101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4065329665 + ... + 4065330186.

It is an arithmetic number, because the mean of its divisors is an integer number (264246445190).

Almost surely, 2^{2122102221111} is an apocalyptic number.

2122102221111 is a deficient number, since it is larger than the sum of its proper divisors (1048855121169).

2122102221111 is a wasteful number, since it uses less digits than its factorization.

2122102221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8130659886 (or 8130659883 counting only the distinct ones).

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

Adding to 2122102221111 its reverse (1111222012212), we get a palindrome (3233324233323).

The spelling of 2122102221111 in words is "two trillion, one hundred twenty-two billion, one hundred two million, two hundred twenty-one thousand, one hundred eleven".