121201211122 has 8 divisors (see below), whose sum is σ = 181928160000. Its totient is φ = 60558491124.

The previous prime is 121201211029. The next prime is 121201211123. The reversal of 121201211122 is 221112102121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 121201211096 and 121201211105.

It is not an unprimeable number, because it can be changed into a prime (121201211123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21053622 + ... + 21059377.

It is an arithmetic number, because the mean of its divisors is an integer number (22741020000).

Almost surely, 2^121201211122 is an apocalyptic number.

121201211122 is a deficient number, since it is larger than the sum of its proper divisors (60726948878).

121201211122 is a wasteful number, since it uses less digits than its factorization.

121201211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42114440.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121201211122 its reverse (221112102121), we get a palindrome (342313313243).

The spelling of 121201211122 in words is "one hundred twenty-one billion, two hundred one million, two hundred eleven thousand, one hundred twenty-two".