222010021111 has 4 divisors (see below), whose sum is σ = 223630532352. Its totient is φ = 220389509872.

The previous prime is 222010021109. The next prime is 222010021127. The reversal of 222010021111 is 111120010222.

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 222010021111 - 2¹ = 222010021109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222010021091 and 222010021100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222010021141) 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, 810255415 + ... + 810255688.

It is an arithmetic number, because the mean of its divisors is an integer number (55907633088).

Almost surely, 2^222010021111 is an apocalyptic number.

222010021111 is a deficient number, since it is larger than the sum of its proper divisors (1620511241).

222010021111 is a wasteful number, since it uses less digits than its factorization.

222010021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620511240.

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

Adding to 222010021111 its reverse (111120010222), we get a palindrome (333130031333).

The spelling of 222010021111 in words is "two hundred twenty-two billion, ten million, twenty-one thousand, one hundred eleven".