22011020211002 has 4 divisors (see below), whose sum is σ = 33016530316506. Its totient is φ = 11005510105500.

The previous prime is 22011020211001. The next prime is 22011020211013. The reversal of 22011020211002 is 20011202011022.

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., 15719155338121 + 6291864872881 = 3964739^2 + 2508359^2 .

It is not an unprimeable number, because it can be changed into a prime (22011020211001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5502755052749 + ... + 5502755052752.

Almost surely, 2^{22011020211002} is an apocalyptic number.

22011020211002 is a deficient number, since it is larger than the sum of its proper divisors (11005510105504).

22011020211002 is a wasteful number, since it uses less digits than its factorization.

22011020211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11005510105503.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22011020211002 its reverse (20011202011022), we get a palindrome (42022222222024).

The spelling of 22011020211002 in words is "twenty-two trillion, eleven billion, twenty million, two hundred eleven thousand, two".