2231222200021 has 8 divisors (see below), whose sum is σ = 2239534715264. Its totient is φ = 2222910267840.

The previous prime is 2231222200003. The next prime is 2231222200091. The reversal of 2231222200021 is 1200022221322.

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 2231222200021 - 2²³ = 2231213811413 is a prime.

It is a super-3 number, since 3×2231222200021³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231222200091) 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, 8467165 + ... + 8726701.

It is an arithmetic number, because the mean of its divisors is an integer number (279941839408).

Almost surely, 2^{2231222200021} is an apocalyptic number.

It is an amenable number.

2231222200021 is a deficient number, since it is larger than the sum of its proper divisors (8312515243).

2231222200021 is a wasteful number, since it uses less digits than its factorization.

2231222200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291531.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 2231222200021 its reverse (1200022221322), we get a palindrome (3431244421343).

The spelling of 2231222200021 in words is "two trillion, two hundred thirty-one billion, two hundred twenty-two million, two hundred thousand, twenty-one".