121200201122 has 64 divisors (see below), whose sum is σ = 244421017344. Its totient is φ = 43530359040.

The previous prime is 121200201097. The next prime is 121200201131. The reversal of 121200201122 is 221102002121.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 121200201097 and 121200201106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1475528 + ... + 1555500.

It is an arithmetic number, because the mean of its divisors is an integer number (3819078396).

Almost surely, 2^121200201122 is an apocalyptic number.

121200201122 is an abundant number, since it is smaller than the sum of its proper divisors (123220816222).

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

121200201122 is a wasteful number, since it uses less digits than its factorization.

121200201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80763.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121200201122 its reverse (221102002121), we get a palindrome (342302203243).

The spelling of 121200201122 in words is "one hundred twenty-one billion, two hundred million, two hundred one thousand, one hundred twenty-two".