22101010100002 has 4 divisors (see below), whose sum is σ = 33151515150006. Its totient is φ = 11050505050000.

The previous prime is 22101010099969. The next prime is 22101010100003. The reversal of 22101010100002 is 20000101010122.

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., 17841322762201 + 4259687337801 = 4223899^2 + 2063901^2 .

It is not an unprimeable number, because it can be changed into a prime (22101010100003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5525252524999 + ... + 5525252525002.

Almost surely, 2^{22101010100002} is an apocalyptic number.

22101010100002 is a deficient number, since it is larger than the sum of its proper divisors (11050505050004).

22101010100002 is a wasteful number, since it uses less digits than its factorization.

22101010100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11050505050003.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 22101010100002 its reverse (20000101010122), we get a palindrome (42101111110124).

The spelling of 22101010100002 in words is "twenty-two trillion, one hundred one billion, ten million, one hundred thousand, two".