142011122213 has 4 divisors (see below), whose sum is σ = 142440159168. Its totient is φ = 141582085260.

The previous prime is 142011122173. The next prime is 142011122257. The reversal of 142011122213 is 312221110241.

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 142011122213 - 2⁸ = 142011121957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142011122273) 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, 214517981 + ... + 214518642.

It is an arithmetic number, because the mean of its divisors is an integer number (35610039792).

Almost surely, 2^142011122213 is an apocalyptic number.

It is an amenable number.

142011122213 is a deficient number, since it is larger than the sum of its proper divisors (429036955).

142011122213 is an equidigital number, since it uses as much as digits as its factorization.

142011122213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429036954.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 142011122213 its reverse (312221110241), we get a palindrome (454232232454).

The spelling of 142011122213 in words is "one hundred forty-two billion, eleven million, one hundred twenty-two thousand, two hundred thirteen".