121000022122 has 8 divisors (see below), whose sum is σ = 207428609376. Its totient is φ = 51857152332.

The previous prime is 121000022107. The next prime is 121000022183. The reversal of 121000022122 is 221220000121.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4321429348 + ... + 4321429375.

It is an arithmetic number, because the mean of its divisors is an integer number (25928576172).

Almost surely, 2^121000022122 is an apocalyptic number.

121000022122 is a deficient number, since it is larger than the sum of its proper divisors (86428587254).

121000022122 is an equidigital number, since it uses as much as digits as its factorization.

121000022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8642858732.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 121000022122 its reverse (221220000121), we get a palindrome (342220022243).

The spelling of 121000022122 in words is "one hundred twenty-one billion, twenty-two thousand, one hundred twenty-two".