22000221122002 has 4 divisors (see below), whose sum is σ = 33000331683006. Its totient is φ = 11000110561000.

The previous prime is 22000221121937. The next prime is 22000221122051. The reversal of 22000221122002 is 20022112200022.

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., 21608171074681 + 392050047321 = 4648459^2 + 626139^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500055280499 + ... + 5500055280502.

Almost surely, 2^{22000221122002} is an apocalyptic number.

22000221122002 is a deficient number, since it is larger than the sum of its proper divisors (11000110561004).

22000221122002 is a wasteful number, since it uses less digits than its factorization.

22000221122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000110561003.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22000221122002 its reverse (20022112200022), we get a palindrome (42022333322024).

The spelling of 22000221122002 in words is "twenty-two trillion, two hundred twenty-one million, one hundred twenty-two thousand, two".