222221040122191 has 24 divisors (see below), whose sum is σ = 245941792210800. Its totient is φ = 200628223889280.

The previous prime is 222221040122173. The next prime is 222221040122267. The reversal of 222221040122191 is 191221040122222.

It is a happy number.

It is not a de Polignac number, because 222221040122191 - 2⁷ = 222221040122063 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 (222221040122111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102358140 + ... + 104506606.

It is an arithmetic number, because the mean of its divisors is an integer number (10247574675450).

Almost surely, 2^{222221040122191} is an apocalyptic number.

222221040122191 is a deficient number, since it is larger than the sum of its proper divisors (23720752088609).

222221040122191 is a wasteful number, since it uses less digits than its factorization.

222221040122191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154375 (or 2154364 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

Adding to 222221040122191 its sum of digits (31), we get a palindrome (222221040122222).

The spelling of 222221040122191 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, forty million, one hundred twenty-two thousand, one hundred ninety-one".