222011100010111 has 4 divisors (see below), whose sum is σ = 235070576481312. Its totient is φ = 208951623538912.

The previous prime is 222011100010099. The next prime is 222011100010153. The reversal of 222011100010111 is 111010001110222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 222011100010111 - 2⁷ = 222011100009983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222011100010091 and 222011100010100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222011100010211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6529738235575 + ... + 6529738235608.

It is an arithmetic number, because the mean of its divisors is an integer number (58767644120328).

Almost surely, 2^{222011100010111} is an apocalyptic number.

222011100010111 is a deficient number, since it is larger than the sum of its proper divisors (13059476471201).

222011100010111 is a wasteful number, since it uses less digits than its factorization.

222011100010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13059476471200.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 222011100010111 its reverse (111010001110222), we get a palindrome (333021101120333).

The spelling of 222011100010111 in words is "two hundred twenty-two trillion, eleven billion, one hundred million, ten thousand, one hundred eleven".