111022212210802 has 4 divisors (see below), whose sum is σ = 166533318316206. Its totient is φ = 55511106105400.

The previous prime is 111022212210799. The next prime is 111022212210803. The reversal of 111022212210802 is 208012212220111.

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., 59565964974201 + 51456247236601 = 7717899^2 + 7173301^2 .

It is not an unprimeable number, because it can be changed into a prime (111022212210803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27755553052699 + ... + 27755553052702.

Almost surely, 2^{111022212210802} is an apocalyptic number.

111022212210802 is a deficient number, since it is larger than the sum of its proper divisors (55511106105404).

111022212210802 is an equidigital number, since it uses as much as digits as its factorization.

111022212210802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55511106105403.

The product of its (nonzero) digits is 512, while the sum is 25.

Adding to 111022212210802 its reverse (208012212220111), we get a palindrome (319034424430913).

The spelling of 111022212210802 in words is "one hundred eleven trillion, twenty-two billion, two hundred twelve million, two hundred ten thousand, eight hundred two".