1131011012301 has 4 divisors (see below), whose sum is σ = 1508014683072. Its totient is φ = 754007341532.

The previous prime is 1131011012281. The next prime is 1131011012359. The reversal of 1131011012301 is 1032101101311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1131011012301 - 2²¹ = 1131008915149 is a prime.

It is a super-2 number, since 2×1131011012301² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131011012381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188501835381 + ... + 188501835386.

It is an arithmetic number, because the mean of its divisors is an integer number (377003670768).

Almost surely, 2^{1131011012301} is an apocalyptic number.

It is an amenable number.

1131011012301 is a deficient number, since it is larger than the sum of its proper divisors (377003670771).

1131011012301 is an equidigital number, since it uses as much as digits as its factorization.

1131011012301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377003670770.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 1131011012301 its reverse (1032101101311), we get a palindrome (2163112113612).

The spelling of 1131011012301 in words is "one trillion, one hundred thirty-one billion, eleven million, twelve thousand, three hundred one".