222031120013111 has 4 divisors (see below), whose sum is σ = 223271517331800. Its totient is φ = 220790722694424.

The previous prime is 222031120013081. The next prime is 222031120013113. The reversal of 222031120013111 is 111310021130222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222031120013111 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 (222031120013113) 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, 620198659076 + ... + 620198659433.

It is an arithmetic number, because the mean of its divisors is an integer number (55817879332950).

Almost surely, 2^{222031120013111} is an apocalyptic number.

222031120013111 is a deficient number, since it is larger than the sum of its proper divisors (1240397318689).

222031120013111 is a wasteful number, since it uses less digits than its factorization.

222031120013111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240397318688.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 222031120013111 its reverse (111310021130222), we get a palindrome (333341141143333).

The spelling of 222031120013111 in words is "two hundred twenty-two trillion, thirty-one billion, one hundred twenty million, thirteen thousand, one hundred eleven".