143121222231141 has 16 divisors (see below), whose sum is σ = 237915797995008. Its totient is φ = 74348686873200.

The previous prime is 143121222231131. The next prime is 143121222231149. The reversal of 143121222231141 is 141132222121341.

It is not a de Polignac number, because 143121222231141 - 2²¹ = 143121220133989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143121222231099 and 143121222231108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143121222231149) 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, 309786195075 + ... + 309786195536.

It is an arithmetic number, because the mean of its divisors is an integer number (14869737374688).

Almost surely, 2^{143121222231141} is an apocalyptic number.

143121222231141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

143121222231141 is a deficient number, since it is larger than the sum of its proper divisors (94794575763867).

143121222231141 is a wasteful number, since it uses less digits than its factorization.

143121222231141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619572390632.

The product of its digits is 4608, while the sum is 30.

Adding to 143121222231141 its reverse (141132222121341), we get a palindrome (284253444352482).

The spelling of 143121222231141 in words is "one hundred forty-three trillion, one hundred twenty-one billion, two hundred twenty-two million, two hundred thirty-one thousand, one hundred forty-one".