11200101001021 has 2 divisors, whose sum is σ = 11200101001022. Its totient is φ = 11200101001020.

The previous prime is 11200101001013. The next prime is 11200101001051. The reversal of 11200101001021 is 12010010100211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10573487856100 + 626613144921 = 3251690^2 + 791589^2 .

It is a cyclic number.

It is not a de Polignac number, because 11200101001021 - 2³ = 11200101001013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11200101000989 and 11200101001007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11200101001051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600050500510 + 5600050500511.

It is an arithmetic number, because the mean of its divisors is an integer number (5600050500511).

Almost surely, 2^{11200101001021} is an apocalyptic number.

It is an amenable number.

11200101001021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11200101001021 is an equidigital number, since it uses as much as digits as its factorization.

11200101001021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11200101001021 its reverse (12010010100211), we get a palindrome (23210111101232).

The spelling of 11200101001021 in words is "eleven trillion, two hundred billion, one hundred one million, one thousand, twenty-one".