222101022021022 has 4 divisors (see below), whose sum is σ = 333151533031536. Its totient is φ = 111050511010510.

The previous prime is 222101022020921. The next prime is 222101022021023. The reversal of 222101022021022 is 220120220101222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222101022021023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55525255505254 + ... + 55525255505257.

It is an arithmetic number, because the mean of its divisors is an integer number (83287883257884).

Almost surely, 2^{222101022021022} is an apocalyptic number.

222101022021022 is a deficient number, since it is larger than the sum of its proper divisors (111050511010514).

222101022021022 is a wasteful number, since it uses less digits than its factorization.

222101022021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111050511010513.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222101022021022 its reverse (220120220101222), we get a palindrome (442221242122244).

The spelling of 222101022021022 in words is "two hundred twenty-two trillion, one hundred one billion, twenty-two million, twenty-one thousand, twenty-two".