22111120122002 has 4 divisors (see below), whose sum is σ = 33166680183006. Its totient is φ = 11055560061000.

The previous prime is 22111120121977. The next prime is 22111120122011. The reversal of 22111120122002 is 20022102111122.

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., 14564061731521 + 7547058390481 = 3816289^2 + 2747191^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5527780030499 + ... + 5527780030502.

Almost surely, 2^{22111120122002} is an apocalyptic number.

22111120122002 is a deficient number, since it is larger than the sum of its proper divisors (11055560061004).

22111120122002 is a wasteful number, since it uses less digits than its factorization.

22111120122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11055560061003.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22111120122002 its reverse (20022102111122), we get a palindrome (42133222233124).

The spelling of 22111120122002 in words is "twenty-two trillion, one hundred eleven billion, one hundred twenty million, one hundred twenty-two thousand, two".