20110222100002 has 4 divisors (see below), whose sum is σ = 30165333150006. Its totient is φ = 10055111050000.

The previous prime is 20110222099999. The next prime is 20110222100011. The reversal of 20110222100002 is 20000122201102.

It is a happy number.

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., 12697883701281 + 7412338398721 = 3563409^2 + 2722561^2 .

It is a super-2 number, since 2×20110222100002² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5027555524999 + ... + 5027555525002.

Almost surely, 2^{20110222100002} is an apocalyptic number.

20110222100002 is a deficient number, since it is larger than the sum of its proper divisors (10055111050004).

20110222100002 is a wasteful number, since it uses less digits than its factorization.

20110222100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10055111050003.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20110222100002 its reverse (20000122201102), we get a palindrome (40110344301104).

The spelling of 20110222100002 in words is "twenty trillion, one hundred ten billion, two hundred twenty-two million, one hundred thousand, two".