222321112042 has 4 divisors (see below), whose sum is σ = 333481668066. Its totient is φ = 111160556020.

The previous prime is 222321112003. The next prime is 222321112043. The reversal of 222321112042 is 240211123222.

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

It can be written as a sum of positive squares in only one way, i.e., 197410487481 + 24910624561 = 444309^2 + 157831^2 .

It is a super-3 number, since 3×222321112042³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (222321112043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55580278009 + ... + 55580278012.

Almost surely, 2^222321112042 is an apocalyptic number.

222321112042 is a deficient number, since it is larger than the sum of its proper divisors (111160556024).

222321112042 is a wasteful number, since it uses less digits than its factorization.

222321112042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111160556023.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 222321112042 its reverse (240211123222), we get a palindrome (462532235264).

The spelling of 222321112042 in words is "two hundred twenty-two billion, three hundred twenty-one million, one hundred twelve thousand, forty-two".