111022202120122 has 4 divisors (see below), whose sum is σ = 166533303180186. Its totient is φ = 55511101060060.

The previous prime is 111022202120083. The next prime is 111022202120287. The reversal of 111022202120122 is 221021202220111.

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., 100248374032921 + 10773828087201 = 10012411^2 + 3282351^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111022202120122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27755550530029 + ... + 27755550530032.

Almost surely, 2^{111022202120122} is an apocalyptic number.

111022202120122 is a deficient number, since it is larger than the sum of its proper divisors (55511101060064).

111022202120122 is an equidigital number, since it uses as much as digits as its factorization.

111022202120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55511101060063.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 111022202120122 its reverse (221021202220111), we get a palindrome (332043404340233).

The spelling of 111022202120122 in words is "one hundred eleven trillion, twenty-two billion, two hundred two million, one hundred twenty thousand, one hundred twenty-two".