222207121135523 has 8 divisors (see below), whose sum is σ = 242867745302400. Its totient is φ = 202389787751040.

The previous prime is 222207121135501. The next prime is 222207121135579. The reversal of 222207121135523 is 325531121702222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222207121135523 - 2¹⁰ = 222207121134499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222207121135123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210822695048 + ... + 210822696101.

It is an arithmetic number, because the mean of its divisors is an integer number (30358468162800).

Almost surely, 2^{222207121135523} is an apocalyptic number.

222207121135523 is a deficient number, since it is larger than the sum of its proper divisors (20660624166877).

222207121135523 is a wasteful number, since it uses less digits than its factorization.

222207121135523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421645391197.

The product of its (nonzero) digits is 100800, while the sum is 38.

Adding to 222207121135523 its reverse (325531121702222), we get a palindrome (547738242837745).

The spelling of 222207121135523 in words is "two hundred twenty-two trillion, two hundred seven billion, one hundred twenty-one million, one hundred thirty-five thousand, five hundred twenty-three".