120111111202 has 4 divisors (see below), whose sum is σ = 180166666806. Its totient is φ = 60055555600.

The previous prime is 120111111199. The next prime is 120111111203. The reversal of 120111111202 is 202111111021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202111111021 = 27947 ⋅7231943.

It can be written as a sum of positive squares in only one way, i.e., 63242693361 + 56868417841 = 251481^2 + 238471^2 .

It is not an unprimeable number, because it can be changed into a prime (120111111203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30027777799 + ... + 30027777802.

Almost surely, 2^120111111202 is an apocalyptic number.

120111111202 is a deficient number, since it is larger than the sum of its proper divisors (60055555604).

120111111202 is an equidigital number, since it uses as much as digits as its factorization.

120111111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60055555603.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 120111111202 its reverse (202111111021), we get a palindrome (322222222223).

The spelling of 120111111202 in words is "one hundred twenty billion, one hundred eleven million, one hundred eleven thousand, two hundred two".