121000122211122 has 96 divisors (see below), whose sum is σ = 326982189965184. Its totient is φ = 31416611155200.

The previous prime is 121000122211117. The next prime is 121000122211123. The reversal of 121000122211122 is 221112221000121.

121000122211122 is a `hidden beast` number, since 1 + 210 + 0 + 0 + 122 + 211 + 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 = 121000122211095 and 121000122211104.

It is not an unprimeable number, because it can be changed into a prime (121000122211123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13021563 + ... + 20286974.

It is an arithmetic number, because the mean of its divisors is an integer number (3406064478804).

Almost surely, 2^{121000122211122} is an apocalyptic number.

121000122211122 is an abundant number, since it is smaller than the sum of its proper divisors (205982067754062).

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

121000122211122 is a wasteful number, since it uses less digits than its factorization.

121000122211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33311184 (or 33311181 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 121000122211122 its reverse (221112221000121), we get a palindrome (342112343211243).

The spelling of 121000122211122 in words is "one hundred twenty-one trillion, one hundred twenty-two million, two hundred eleven thousand, one hundred twenty-two".