111022112222001 has 6 divisors (see below), whose sum is σ = 160365273209570. Its totient is φ = 74014741481328.

The previous prime is 111022112221987. The next prime is 111022112222003. The reversal of 111022112222001 is 100222211220111.

111022112222001 is a `hidden beast` number, since 11 + 10 + 221 + 1 + 222 + 200 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 107203742197776 + 3818370024225 = 10353924^2 + 1954065^2 .

It is not a de Polignac number, because 111022112222001 - 2¹³ = 111022112213809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111022112222003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6167895123436 + ... + 6167895123453.

Almost surely, 2^{111022112222001} is an apocalyptic number.

It is an amenable number.

111022112222001 is a deficient number, since it is larger than the sum of its proper divisors (49343160987569).

111022112222001 is a wasteful number, since it uses less digits than its factorization.

111022112222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12335790246895 (or 12335790246892 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111022112222001 its reverse (100222211220111), we get a palindrome (211244323442112).

The spelling of 111022112222001 in words is "one hundred eleven trillion, twenty-two billion, one hundred twelve million, two hundred twenty-two thousand, one".