111021211200022 has 4 divisors (see below), whose sum is σ = 166531816800036. Its totient is φ = 55510605600010.

The previous prime is 111021211200017. The next prime is 111021211200043. The reversal of 111021211200022 is 220002112120111.

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 = 111021211199969 and 111021211200005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27755302800004 + ... + 27755302800007.

It is an arithmetic number, because the mean of its divisors is an integer number (41632954200009).

Almost surely, 2^{111021211200022} is an apocalyptic number.

111021211200022 is a deficient number, since it is larger than the sum of its proper divisors (55510605600014).

111021211200022 is an equidigital number, since it uses as much as digits as its factorization.

111021211200022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55510605600013.

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

Adding to 111021211200022 its reverse (220002112120111), we get a palindrome (331023323320133).

The spelling of 111021211200022 in words is "one hundred eleven trillion, twenty-one billion, two hundred eleven million, two hundred thousand, twenty-two".