222102020111 has 4 divisors (see below), whose sum is σ = 222148990800. Its totient is φ = 222055049424.

The previous prime is 222102020069. The next prime is 222102020113. The reversal of 222102020111 is 111020201222.

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 222102020111 - 2¹⁸ = 222101757967 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 (222102020113) 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, 23478251 + ... + 23487708.

It is an arithmetic number, because the mean of its divisors is an integer number (55537247700).

Almost surely, 2^222102020111 is an apocalyptic number.

222102020111 is a deficient number, since it is larger than the sum of its proper divisors (46970689).

222102020111 is an equidigital number, since it uses as much as digits as its factorization.

222102020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46970688.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222102020111 its reverse (111020201222), we get a palindrome (333122221333).

The spelling of 222102020111 in words is "two hundred twenty-two billion, one hundred two million, twenty thousand, one hundred eleven".