142123211411021 has 8 divisors (see below), whose sum is σ = 145429084509984. Its totient is φ = 138817369318320.

The previous prime is 142123211410937. The next prime is 142123211411087. The reversal of 142123211411021 is 120114112321241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142123211411021 - 2¹⁰ = 142123211409997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142123211411221) 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, 1653635 + ... + 16940511.

It is an arithmetic number, because the mean of its divisors is an integer number (18178635563748).

Almost surely, 2^{142123211411021} is an apocalyptic number.

It is an amenable number.

142123211411021 is a deficient number, since it is larger than the sum of its proper divisors (3305873098963).

142123211411021 is a wasteful number, since it uses less digits than its factorization.

142123211411021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15503131.

The product of its (nonzero) digits is 768, while the sum is 26.

Adding to 142123211411021 its reverse (120114112321241), we get a palindrome (262237323732262).

The spelling of 142123211411021 in words is "one hundred forty-two trillion, one hundred twenty-three billion, two hundred eleven million, four hundred eleven thousand, twenty-one".