121111001122104 has 64 divisors (see below), whose sum is σ = 384479368646400. Its totient is φ = 34603143177312.

The previous prime is 121111001122061. The next prime is 121111001122109. The reversal of 121111001122104 is 401221100111121.

121111001122104 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121111001122109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40049932722 + ... + 40049935745.

It is an arithmetic number, because the mean of its divisors is an integer number (6007490135100).

Almost surely, 2^{121111001122104} is an apocalyptic number.

121111001122104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121111001122104 is an abundant number, since it is smaller than the sum of its proper divisors (263368367524296).

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

121111001122104 is a wasteful number, since it uses less digits than its factorization.

121111001122104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80099868489 (or 80099868479 counting only the distinct ones).

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

Adding to 121111001122104 its reverse (401221100111121), we get a palindrome (522332101233225).

The spelling of 121111001122104 in words is "one hundred twenty-one trillion, one hundred eleven billion, one million, one hundred twenty-two thousand, one hundred four".