1011322001143 has 12 divisors (see below), whose sum is σ = 1079764330392. Its totient is φ = 947000781440.

The previous prime is 1011322001113. The next prime is 1011322001149. The reversal of 1011322001143 is 3411002231101.

It is not a de Polignac number, because 1011322001143 - 2⁹ = 1011322000631 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1011322001143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011322001149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8824753 + ... + 8938618.

It is an arithmetic number, because the mean of its divisors is an integer number (89980360866).

Almost surely, 2^{1011322001143} is an apocalyptic number.

1011322001143 is a deficient number, since it is larger than the sum of its proper divisors (68442329249).

1011322001143 is a wasteful number, since it uses less digits than its factorization.

1011322001143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17763602 (or 17763585 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1011322001143 its reverse (3411002231101), we get a palindrome (4422324232244).

It can be divided in two parts, 101132 and 2001143, that added together give a triangular number (2102275 = T₂₀₅₀).

The spelling of 1011322001143 in words is "one trillion, eleven billion, three hundred twenty-two million, one thousand, one hundred forty-three".