111212202022 has 16 divisors (see below), whose sum is σ = 173534756400. Its totient is φ = 53388707680.

The previous prime is 111212201983. The next prime is 111212202037. The reversal of 111212202022 is 220202212111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111212201987 and 111212202005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5345629 + ... + 5366392.

It is an arithmetic number, because the mean of its divisors is an integer number (10845922275).

Almost surely, 2^111212202022 is an apocalyptic number.

111212202022 is a deficient number, since it is larger than the sum of its proper divisors (62322554378).

111212202022 is a wasteful number, since it uses less digits than its factorization.

111212202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10712231.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 111212202022 its reverse (220202212111), we get a palindrome (331414414133).

The spelling of 111212202022 in words is "one hundred eleven billion, two hundred twelve million, two hundred two thousand, twenty-two".