121100214200104 has 192 divisors, whose sum is σ = 255992658854400. Its totient is φ = 53579834380800.

The previous prime is 121100214200099. The next prime is 121100214200143. The reversal of 121100214200104 is 401002412001121.

It is a happy number.

It is a super-2 number, since 2×121100214200104² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9582981274 + ... + 9582993910.

It is an arithmetic number, because the mean of its divisors is an integer number (1333295098200).

Almost surely, 2^{121100214200104} is an apocalyptic number.

It is an amenable number.

121100214200104 is an abundant number, since it is smaller than the sum of its proper divisors (134892444654296).

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

121100214200104 is a wasteful number, since it uses less digits than its factorization.

121100214200104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16432 (or 16409 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121100214200104 its reverse (401002412001121), we get a palindrome (522102626201225).

The spelling of 121100214200104 in words is "one hundred twenty-one trillion, one hundred billion, two hundred fourteen million, two hundred thousand, one hundred four".