122111120212 has 12 divisors (see below), whose sum is σ = 213741120096. Its totient is φ = 61042228760.

The previous prime is 122111120203. The next prime is 122111120231. The reversal of 122111120212 is 212021111221.

It is a super-2 number, since 2×122111120212² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3312214 + ... + 3348877.

It is an arithmetic number, because the mean of its divisors is an integer number (17811760008).

Almost surely, 2^122111120212 is an apocalyptic number.

It is an amenable number.

122111120212 is a deficient number, since it is larger than the sum of its proper divisors (91629999884).

122111120212 is a wasteful number, since it uses less digits than its factorization.

122111120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6665678 (or 6665676 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122111120212 its reverse (212021111221), we get a palindrome (334132231433).

The spelling of 122111120212 in words is "one hundred twenty-two billion, one hundred eleven million, one hundred twenty thousand, two hundred twelve".