111102201022 has 4 divisors (see below), whose sum is σ = 166653301536. Its totient is φ = 55551100510.

The previous prime is 111102201019. The next prime is 111102201029. The reversal of 111102201022 is 220102201111.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 111102200993 and 111102201011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111102201029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27775550254 + ... + 27775550257.

It is an arithmetic number, because the mean of its divisors is an integer number (41663325384).

Almost surely, 2^111102201022 is an apocalyptic number.

111102201022 is a deficient number, since it is larger than the sum of its proper divisors (55551100514).

111102201022 is an equidigital number, since it uses as much as digits as its factorization.

111102201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55551100513.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111102201022 its reverse (220102201111), we get a palindrome (331204402133).

The spelling of 111102201022 in words is "one hundred eleven billion, one hundred two million, two hundred one thousand, twenty-two".