140022321022121 has 4 divisors (see below), whose sum is σ = 140024373992832. Its totient is φ = 140020268051412.

The previous prime is 140022321022109. The next prime is 140022321022123. The reversal of 140022321022121 is 121220123220041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140022321022121 - 2¹⁰ = 140022321021097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140022321022123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026383045 + ... + 1026519458.

It is an arithmetic number, because the mean of its divisors is an integer number (35006093498208).

Almost surely, 2^{140022321022121} is an apocalyptic number.

It is an amenable number.

140022321022121 is a deficient number, since it is larger than the sum of its proper divisors (2052970711).

140022321022121 is an equidigital number, since it uses as much as digits as its factorization.

140022321022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052970710.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 140022321022121 its reverse (121220123220041), we get a palindrome (261242444242162).

The spelling of 140022321022121 in words is "one hundred forty trillion, twenty-two billion, three hundred twenty-one million, twenty-two thousand, one hundred twenty-one".