1199022810001 has 3 divisors (see below), whose sum is σ = 1199023905001. Its totient is φ = 1199021715002.

The previous prime is 1199022809987. The next prime is 1199022810017. The reversal of 1199022810001 is 1000182209911.

The square root of 1199022810001 is 1094999.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 1199022810001 - 2⁵ = 1199022809969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1199022810701) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 547500 + ... + 1642498.

Almost surely, 2^{1199022810001} is an apocalyptic number.

1199022810001 is the 1094999-th square number.

1199022810001 is the 547500-th centered octagonal number.

It is an amenable number.

1199022810001 is a deficient number, since it is larger than the sum of its proper divisors (1095000).

1199022810001 is an frugal number, since it uses more digits than its factorization.

1199022810001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189998 (or 1094999 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 34.

The spelling of 1199022810001 in words is "one trillion, one hundred ninety-nine billion, twenty-two million, eight hundred ten thousand, one".