122021143443 has 8 divisors (see below), whose sum is σ = 180772064400. Its totient is φ = 81347428944.

The previous prime is 122021143429. The next prime is 122021143459. The reversal of 122021143443 is 344341120221.

122021143443 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 211 + 4 + 3 + 443 = 666.

It is not a de Polignac number, because 122021143443 - 2⁸ = 122021143187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4519301609 = 122021143443 / (1 + 2 + 2 + 0 + 2 + 1 + 1 + 4 + 3 + 4 + 4 + 3).

It is not an unprimeable number, because it can be changed into a prime (122021143463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2259650778 + ... + 2259650831.

It is an arithmetic number, because the mean of its divisors is an integer number (22596508050).

Almost surely, 2^122021143443 is an apocalyptic number.

122021143443 is a deficient number, since it is larger than the sum of its proper divisors (58750920957).

122021143443 is an equidigital number, since it uses as much as digits as its factorization.

122021143443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4519301618 (or 4519301612 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 122021143443 its reverse (344341120221), we get a palindrome (466362263664).

The spelling of 122021143443 in words is "one hundred twenty-two billion, twenty-one million, one hundred forty-three thousand, four hundred forty-three".