22123101002 has 4 divisors (see below), whose sum is σ = 33184651506. Its totient is φ = 11061550500.

The previous prime is 22123100999. The next prime is 22123101029. The reversal of 22123101002 is 20010132122.

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., 22120315441 + 2785561 = 148729^2 + 1669^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5530775249 + ... + 5530775252.

Almost surely, 2^22123101002 is an apocalyptic number.

22123101002 is a deficient number, since it is larger than the sum of its proper divisors (11061550504).

22123101002 is a wasteful number, since it uses less digits than its factorization.

22123101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11061550503.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22123101002 its reverse (20010132122), we get a palindrome (42133233124).

The spelling of 22123101002 in words is "twenty-two billion, one hundred twenty-three million, one hundred one thousand, two".