121130220122 has 32 divisors (see below), whose sum is σ = 197202263040. Its totient is φ = 55583573760.

The previous prime is 121130220091. The next prime is 121130220131. The reversal of 121130220122 is 221022031121.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 121130220122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293204 + ... + 572912.

It is an arithmetic number, because the mean of its divisors is an integer number (6162570720).

Almost surely, 2^121130220122 is an apocalyptic number.

121130220122 is a deficient number, since it is larger than the sum of its proper divisors (76072042918).

121130220122 is a wasteful number, since it uses less digits than its factorization.

121130220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280046.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 121130220122 its reverse (221022031121), we get a palindrome (342152251243).

The spelling of 121130220122 in words is "one hundred twenty-one billion, one hundred thirty million, two hundred twenty thousand, one hundred twenty-two".