2221120012022 has 4 divisors (see below), whose sum is σ = 3331680018036. Its totient is φ = 1110560006010.

The previous prime is 2221120011991. The next prime is 2221120012049. The reversal of 2221120012022 is 2202100211222.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555280003004 + ... + 555280003007.

It is an arithmetic number, because the mean of its divisors is an integer number (832920004509).

Almost surely, 2^{2221120012022} is an apocalyptic number.

2221120012022 is a deficient number, since it is larger than the sum of its proper divisors (1110560006014).

2221120012022 is a wasteful number, since it uses less digits than its factorization.

2221120012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110560006013.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2221120012022 its reverse (2202100211222), we get a palindrome (4423220223244).

The spelling of 2221120012022 in words is "two trillion, two hundred twenty-one billion, one hundred twenty million, twelve thousand, twenty-two".