111222221000101 has 16 divisors (see below), whose sum is σ = 112831221732480. Its totient is φ = 109614407069440.

The previous prime is 111222221000069. The next prime is 111222221000117. The reversal of 111222221000101 is 101000122222111.

It is a cyclic number.

It is not a de Polignac number, because 111222221000101 - 2⁵ = 111222221000069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222221040101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4222706790 + ... + 4222733128.

It is an arithmetic number, because the mean of its divisors is an integer number (7051951358280).

Almost surely, 2^{111222221000101} is an apocalyptic number.

It is an amenable number.

111222221000101 is a deficient number, since it is larger than the sum of its proper divisors (1609000732379).

111222221000101 is a wasteful number, since it uses less digits than its factorization.

111222221000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46556.

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

Adding to 111222221000101 its reverse (101000122222111), we get a palindrome (212222343222212).

The spelling of 111222221000101 in words is "one hundred eleven trillion, two hundred twenty-two billion, two hundred twenty-one million, one hundred one", and thus it is an aban number.