11242120201231 has 8 divisors (see below), whose sum is σ = 11305085140080. Its totient is φ = 11179157038272.

The previous prime is 11242120201229. The next prime is 11242120201283. The reversal of 11242120201231 is 13210202124211.

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 11242120201231 - 2¹ = 11242120201229 is a prime.

It is a super-2 number, since 2×11242120201231² (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 (11242120201211) 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, 13469701 + ... + 14279953.

It is an arithmetic number, because the mean of its divisors is an integer number (1413135642510).

Almost surely, 2^{11242120201231} is an apocalyptic number.

11242120201231 is a deficient number, since it is larger than the sum of its proper divisors (62964938849).

11242120201231 is an equidigital number, since it uses as much as digits as its factorization.

11242120201231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887945.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 11242120201231 its reverse (13210202124211), we get a palindrome (24452322325442).

The spelling of 11242120201231 in words is "eleven trillion, two hundred forty-two billion, one hundred twenty million, two hundred one thousand, two hundred thirty-one".