121222331122 has 4 divisors (see below), whose sum is σ = 181833496686. Its totient is φ = 60611165560.

The previous prime is 121222331119. The next prime is 121222331141. The reversal of 121222331122 is 221133222121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 117771826041 + 3450505081 = 343179^2 + 58741^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121222331093 and 121222331102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30305582779 + ... + 30305582782.

Almost surely, 2^121222331122 is an apocalyptic number.

121222331122 is a deficient number, since it is larger than the sum of its proper divisors (60611165564).

121222331122 is an equidigital number, since it uses as much as digits as its factorization.

121222331122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60611165563.

The product of its digits is 576, while the sum is 22.

Adding to 121222331122 its reverse (221133222121), we get a palindrome (342355553243).

The spelling of 121222331122 in words is "one hundred twenty-one billion, two hundred twenty-two million, three hundred thirty-one thousand, one hundred twenty-two".