1131012142201 has 4 divisors (see below), whose sum is σ = 1134648837504. Its totient is φ = 1127375446900.

The previous prime is 1131012142177. The next prime is 1131012142217. The reversal of 1131012142201 is 1022412101311.

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 1131012142201 - 2¹⁹ = 1131011617913 is a prime.

It is a super-3 number, since 3×1131012142201³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131012142231) 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, 1818347185 + ... + 1818347806.

It is an arithmetic number, because the mean of its divisors is an integer number (283662209376).

Almost surely, 2^{1131012142201} is an apocalyptic number.

It is an amenable number.

1131012142201 is a deficient number, since it is larger than the sum of its proper divisors (3636695303).

1131012142201 is an equidigital number, since it uses as much as digits as its factorization.

1131012142201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636695302.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1131012142201 its reverse (1022412101311), we get a palindrome (2153424243512).

The spelling of 1131012142201 in words is "one trillion, one hundred thirty-one billion, twelve million, one hundred forty-two thousand, two hundred one".