121102244122 has 4 divisors (see below), whose sum is σ = 181653366186. Its totient is φ = 60551122060.

The previous prime is 121102244113. The next prime is 121102244141. The reversal of 121102244122 is 221442201121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221442201121 = 2153 ⋅102852857.

It can be written as a sum of positive squares in only one way, i.e., 112339599241 + 8762644881 = 335171^2 + 93609^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121102244093 and 121102244102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30275561029 + ... + 30275561032.

Almost surely, 2^121102244122 is an apocalyptic number.

121102244122 is a deficient number, since it is larger than the sum of its proper divisors (60551122064).

121102244122 is an equidigital number, since it uses as much as digits as its factorization.

121102244122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60551122063.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 121102244122 its reverse (221442201121), we get a palindrome (342544445243).

The spelling of 121102244122 in words is "one hundred twenty-one billion, one hundred two million, two hundred forty-four thousand, one hundred twenty-two".