121110110212122 has 64 divisors (see below), whose sum is σ = 269202951792000. Its totient is φ = 40359632327424.

The previous prime is 121110110212121. The next prime is 121110110212127. The reversal of 121110110212122 is 221212011011121.

It is a happy number.

121110110212122 is a `hidden beast` number, since 1 + 211 + 10 + 110 + 212 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121110110212095 and 121110110212104.

It is not an unprimeable number, because it can be changed into a prime (121110110212121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4603358704 + ... + 4603385012.

It is an arithmetic number, because the mean of its divisors is an integer number (4206296121750).

Almost surely, 2^{121110110212122} is an apocalyptic number.

121110110212122 is an abundant number, since it is smaller than the sum of its proper divisors (148092841579878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121110110212122 is a wasteful number, since it uses less digits than its factorization.

121110110212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45052 (or 45046 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 121110110212122 its reverse (221212011011121), we get a palindrome (342322121223243).

The spelling of 121110110212122 in words is "one hundred twenty-one trillion, one hundred ten billion, one hundred ten million, two hundred twelve thousand, one hundred twenty-two".