122101022111 has 4 divisors (see below), whose sum is σ = 123309943224. Its totient is φ = 120892101000.

The previous prime is 122101022083. The next prime is 122101022137. The reversal of 122101022111 is 111220101221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111220101221 = 101 ⋅1101189121.

It is a cyclic number.

It is not a de Polignac number, because 122101022111 - 2¹⁰ = 122101021087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122101022611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604460405 + ... + 604460606.

It is an arithmetic number, because the mean of its divisors is an integer number (30827485806).

Almost surely, 2^122101022111 is an apocalyptic number.

122101022111 is a deficient number, since it is larger than the sum of its proper divisors (1208921113).

122101022111 is a wasteful number, since it uses less digits than its factorization.

122101022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208921112.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 122101022111 its reverse (111220101221), we get a palindrome (233321123332).

The spelling of 122101022111 in words is "one hundred twenty-two billion, one hundred one million, twenty-two thousand, one hundred eleven".