1143442022121 has 128 divisors (see below), whose sum is σ = 2132845977600. Its totient is φ = 590321571840.

The previous prime is 1143442022071. The next prime is 1143442022131. The reversal of 1143442022121 is 1212202443411.

1143442022121 is a `hidden beast` number, since 1 + 1 + 4 + 3 + 442 + 0 + 2 + 212 + 1 = 666.

It is not a de Polignac number, because 1143442022121 - 2⁶ = 1143442022057 is a prime.

It is a super-2 number, since 2×1143442022121² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1143442022131) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 27813301 + ... + 27854381.

It is an arithmetic number, because the mean of its divisors is an integer number (16662859200).

Almost surely, 2^{1143442022121} is an apocalyptic number.

It is an amenable number.

1143442022121 is a deficient number, since it is larger than the sum of its proper divisors (989403955479).

1143442022121 is a wasteful number, since it uses less digits than its factorization.

1143442022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41476 (or 41470 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 1143442022121 its reverse (1212202443411), we get a palindrome (2355644465532).

The spelling of 1143442022121 in words is "one trillion, one hundred forty-three billion, four hundred forty-two million, twenty-two thousand, one hundred twenty-one".