11212201023331 has 16 divisors (see below), whose sum is σ = 14135913745920. Its totient is φ = 8638613945280.

The previous prime is 11212201023329. The next prime is 11212201023431. The reversal of 11212201023331 is 13332010221211.

It is not a de Polignac number, because 11212201023331 - 2¹ = 11212201023329 is a prime.

It is a super-2 number, since 2×11212201023331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11212201023031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 818043711 + ... + 818057416.

It is an arithmetic number, because the mean of its divisors is an integer number (883494609120).

Almost surely, 2^{11212201023331} is an apocalyptic number.

11212201023331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11212201023331 is a deficient number, since it is larger than the sum of its proper divisors (2923712722589).

11212201023331 is a wasteful number, since it uses less digits than its factorization.

11212201023331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636101234.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 11212201023331 its reverse (13332010221211), we get a palindrome (24544211244542).

The spelling of 11212201023331 in words is "eleven trillion, two hundred twelve billion, two hundred one million, twenty-three thousand, three hundred thirty-one".