22111300402 has 4 divisors (see below), whose sum is σ = 33166950606. Its totient is φ = 11055650200.

The previous prime is 22111300399. The next prime is 22111300429. The reversal of 22111300402 is 20400311122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20400311122 = 2 ⋅10200155561.

It can be written as a sum of positive squares in only one way, i.e., 17609024601 + 4502275801 = 132699^2 + 67099^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5527825099 + ... + 5527825102.

Almost surely, 2^22111300402 is an apocalyptic number.

22111300402 is a deficient number, since it is larger than the sum of its proper divisors (11055650204).

22111300402 is a wasteful number, since it uses less digits than its factorization.

22111300402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11055650203.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22111300402 its reverse (20400311122), we get a palindrome (42511611524).

The spelling of 22111300402 in words is "twenty-two billion, one hundred eleven million, three hundred thousand, four hundred two".