111201120122002 has 4 divisors (see below), whose sum is σ = 166801680183006. Its totient is φ = 55600560061000.

The previous prime is 111201120121999. The next prime is 111201120122021. The reversal of 111201120122002 is 200221021102111.

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., 109405093976721 + 1796026145281 = 10459689^2 + 1340159^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27800280030499 + ... + 27800280030502.

Almost surely, 2^{111201120122002} is an apocalyptic number.

111201120122002 is a deficient number, since it is larger than the sum of its proper divisors (55600560061004).

111201120122002 is an equidigital number, since it uses as much as digits as its factorization.

111201120122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55600560061003.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111201120122002 its reverse (200221021102111), we get a palindrome (311422141224113).

The spelling of 111201120122002 in words is "one hundred eleven trillion, two hundred one billion, one hundred twenty million, one hundred twenty-two thousand, two".