1222122102111 has 24 divisors (see below), whose sum is σ = 1798922011536. Its totient is φ = 799230032640.

The previous prime is 1222122102053. The next prime is 1222122102139. The reversal of 1222122102111 is 1112012212221.

1222122102111 is a `hidden beast` number, since 12 + 221 + 221 + 0 + 211 + 1 = 666.

It is not a de Polignac number, because 1222122102111 - 2¹⁷ = 1222121971039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222122102181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2423271 + ... + 2883831.

It is an arithmetic number, because the mean of its divisors is an integer number (74955083814).

Almost surely, 2^{1222122102111} is an apocalyptic number.

1222122102111 is a deficient number, since it is larger than the sum of its proper divisors (576799909425).

1222122102111 is a wasteful number, since it uses less digits than its factorization.

1222122102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466183 (or 466180 counting only the distinct ones).

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

Adding to 1222122102111 its reverse (1112012212221), we get a palindrome (2334134314332).

The spelling of 1222122102111 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred two thousand, one hundred eleven".