122111210110012 has 24 divisors (see below), whose sum is σ = 213986483911760. Its totient is φ = 60972246080640.

The previous prime is 122111210110009. The next prime is 122111210110013. The reversal of 122111210110012 is 210011012111221.

It is a super-2 number, since 2×122111210110012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122111210110013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11659939 + ... + 19498117.

Almost surely, 2^{122111210110012} is an apocalyptic number.

It is an amenable number.

122111210110012 is a deficient number, since it is larger than the sum of its proper divisors (91875273801748).

122111210110012 is a wasteful number, since it uses less digits than its factorization.

122111210110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7843501 (or 7843499 counting only the distinct ones).

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

Adding to 122111210110012 its reverse (210011012111221), we get a palindrome (332122222221233).

The spelling of 122111210110012 in words is "one hundred twenty-two trillion, one hundred eleven billion, two hundred ten million, one hundred ten thousand, twelve".