11201210201021 has 8 divisors (see below), whose sum is σ = 11343760598400. Its totient is φ = 11058678876960.

The previous prime is 11201210200919. The next prime is 11201210201023. The reversal of 11201210201021 is 12010201210211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11201210201021 is a prime.

It is a super-2 number, since 2×11201210201021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11201210200987 and 11201210201005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201210201023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3584456 + ... + 5937233.

It is an arithmetic number, because the mean of its divisors is an integer number (1417970074800).

Almost surely, 2^{11201210201021} is an apocalyptic number.

It is an amenable number.

11201210201021 is a deficient number, since it is larger than the sum of its proper divisors (142550397379).

11201210201021 is an equidigital number, since it uses as much as digits as its factorization.

11201210201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9536659.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11201210201021 its reverse (12010201210211), we get a palindrome (23211411411232).

The spelling of 11201210201021 in words is "eleven trillion, two hundred one billion, two hundred ten million, two hundred one thousand, twenty-one".