122021042143 has 16 divisors (see below), whose sum is σ = 163832449536. Its totient is φ = 87767382240.

The previous prime is 122021042131. The next prime is 122021042167. The reversal of 122021042143 is 341240120221.

It is a cyclic number.

It is not a de Polignac number, because 122021042143 - 2²⁵ = 121987487711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122021042183) 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, 60948571 + ... + 60950572.

It is an arithmetic number, because the mean of its divisors is an integer number (10239528096).

Almost surely, 2^122021042143 is an apocalyptic number.

122021042143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

122021042143 is a deficient number, since it is larger than the sum of its proper divisors (41811407393).

122021042143 is a wasteful number, since it uses less digits than its factorization.

122021042143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121899174.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 122021042143 its reverse (341240120221), we get a palindrome (463261162364).

The spelling of 122021042143 in words is "one hundred twenty-two billion, twenty-one million, forty-two thousand, one hundred forty-three".