122111001112 has 32 divisors (see below), whose sum is σ = 238069077120. Its totient is φ = 58654667520.

The previous prime is 122111001073. The next prime is 122111001127. The reversal of 122111001112 is 211100111221.

It is a happy number.

It is a super-2 number, since 2×122111001112² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122111001092 and 122111001101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1763043 + ... + 1830994.

It is an arithmetic number, because the mean of its divisors is an integer number (7439658660).

Almost surely, 2^122111001112 is an apocalyptic number.

It is an amenable number.

122111001112 is a deficient number, since it is larger than the sum of its proper divisors (115958076008).

122111001112 is a wasteful number, since it uses less digits than its factorization.

122111001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3594211 (or 3594207 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 122111001112 its reverse (211100111221), we get a palindrome (333211112333).

The spelling of 122111001112 in words is "one hundred twenty-two billion, one hundred eleven million, one thousand, one hundred twelve".