111202012121122 has 8 divisors (see below), whose sum is σ = 179634019580316. Its totient is φ = 51324005594352.

The previous prime is 111202012121119. The next prime is 111202012121147. The reversal of 111202012121122 is 221121210202111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 83500832618641 + 27701179502481 = 9137879^2 + 5263191^2 .

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 111202012121122.

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, 2138500233073 + ... + 2138500233124.

Almost surely, 2^{111202012121122} is an apocalyptic number.

111202012121122 is a deficient number, since it is larger than the sum of its proper divisors (68432007459194).

111202012121122 is a wasteful number, since it uses less digits than its factorization.

111202012121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4277000466212.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111202012121122 its reverse (221121210202111), we get a palindrome (332323222323233).

The spelling of 111202012121122 in words is "one hundred eleven trillion, two hundred two billion, twelve million, one hundred twenty-one thousand, one hundred twenty-two".