11001012203031 has 16 divisors (see below), whose sum is σ = 14805251445600. Its totient is φ = 7265414786688.

The previous prime is 11001012203021. The next prime is 11001012203047. The reversal of 11001012203031 is 13030221010011.

It is a happy number.

11001012203031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11001012203031 - 2¹³ = 11001012194839 is a prime.

It is a super-2 number, since 2×11001012203031² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11001012203031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001012203021) 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, 1209876 + ... + 4844153.

It is an arithmetic number, because the mean of its divisors is an integer number (925328215350).

Almost surely, 2^{11001012203031} is an apocalyptic number.

11001012203031 is a deficient number, since it is larger than the sum of its proper divisors (3804239242569).

11001012203031 is a wasteful number, since it uses less digits than its factorization.

11001012203031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6059698.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11001012203031 its reverse (13030221010011), we get a palindrome (24031233213042).

The spelling of 11001012203031 in words is "eleven trillion, one billion, twelve million, two hundred three thousand, thirty-one".