11331201101021 has 8 divisors (see below), whose sum is σ = 11729092840920. Its totient is φ = 10933786739008.

The previous prime is 11331201100957. The next prime is 11331201101081. The reversal of 11331201101021 is 12010110213311.

11331201101021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1749786612025 + 9581414488996 = 1322795^2 + 3095386^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11331201101021 - 2⁶ = 11331201100957 is a prime.

It is a super-2 number, since 2×11331201101021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331201101081) 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, 119296166 + ... + 119391111.

It is an arithmetic number, because the mean of its divisors is an integer number (1466136605115).

Almost surely, 2^{11331201101021} is an apocalyptic number.

It is an amenable number.

11331201101021 is a deficient number, since it is larger than the sum of its proper divisors (397891739899).

11331201101021 is a wasteful number, since it uses less digits than its factorization.

11331201101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238688943.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 11331201101021 its reverse (12010110213311), we get a palindrome (23341311314332).

The spelling of 11331201101021 in words is "eleven trillion, three hundred thirty-one billion, two hundred one million, one hundred one thousand, twenty-one".