222221011210001 has 16 divisors (see below), whose sum is σ = 232153004361600. Its totient is φ = 212311621441920.

The previous prime is 222221011209979. The next prime is 222221011210027. The reversal of 222221011210001 is 100012110122222.

It is a cyclic number.

It is not a de Polignac number, because 222221011210001 - 2¹⁴ = 222221011193617 is a prime.

It is a super-2 number, since 2×222221011210001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222221011210091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113220086 + ... + 115166096.

It is an arithmetic number, because the mean of its divisors is an integer number (14509562772600).

Almost surely, 2^{222221011210001} is an apocalyptic number.

It is an amenable number.

222221011210001 is a deficient number, since it is larger than the sum of its proper divisors (9931993151599).

222221011210001 is a wasteful number, since it uses less digits than its factorization.

222221011210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951816.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222221011210001 its reverse (100012110122222), we get a palindrome (322233121332223).

The spelling of 222221011210001 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, eleven million, two hundred ten thousand, one".