121002220220122 has 32 divisors (see below), whose sum is σ = 187844832000000. Its totient is φ = 58389120631296.

The previous prime is 121002220220117. The next prime is 121002220220191. The reversal of 121002220220122 is 221022022200121.

It is a self number, because there is not a number n which added to its sum of digits gives 121002220220122.

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, 1490152879 + ... + 1490234077.

It is an arithmetic number, because the mean of its divisors is an integer number (5870151000000).

Almost surely, 2^{121002220220122} is an apocalyptic number.

121002220220122 is a deficient number, since it is larger than the sum of its proper divisors (66842611779878).

121002220220122 is a wasteful number, since it uses less digits than its factorization.

121002220220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92238.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 121002220220122 its reverse (221022022200121), we get a palindrome (342024242420243).

The spelling of 121002220220122 in words is "one hundred twenty-one trillion, two billion, two hundred twenty million, two hundred twenty thousand, one hundred twenty-two".