121112202122 has 8 divisors (see below), whose sum is σ = 182025216900. Its totient is φ = 60437129824.

The previous prime is 121112202097. The next prime is 121112202131. The reversal of 121112202122 is 221202211121.

It can be written as a sum of positive squares in 2 ways, for example, as 109581522961 + 11530679161 = 331031^2 + 107381^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 121112202122.

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, 59484347 + ... + 59486382.

Almost surely, 2^121112202122 is an apocalyptic number.

121112202122 is a deficient number, since it is larger than the sum of its proper divisors (60913014778).

121112202122 is a wasteful number, since it uses less digits than its factorization.

121112202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118971240.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121112202122 its reverse (221202211121), we get a palindrome (342314413243).

The spelling of 121112202122 in words is "one hundred twenty-one billion, one hundred twelve million, two hundred two thousand, one hundred twenty-two".