11202122001 has 32 divisors (see below), whose sum is σ = 18697271040. Its totient is φ = 5816918016.

The previous prime is 11202121981. The next prime is 11202122021. The reversal of 11202122001 is 10022120211.

It is an interprime number because it is at equal distance from previous prime (11202121981) and next prime (11202122021).

It is not a de Polignac number, because 11202122001 - 2⁵ = 11202121969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11202122021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 530656 + ... + 551361.

It is an arithmetic number, because the mean of its divisors is an integer number (584289720).

Almost surely, 2^11202122001 is an apocalyptic number.

It is an amenable number.

11202122001 is a deficient number, since it is larger than the sum of its proper divisors (7495149039).

11202122001 is a wasteful number, since it uses less digits than its factorization.

11202122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082073.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11202122001 its reverse (10022120211), we get a palindrome (21224242212).

The spelling of 11202122001 in words is "eleven billion, two hundred two million, one hundred twenty-two thousand, one".