101142123422 has 8 divisors (see below), whose sum is σ = 152551380072. Its totient is φ = 50291663400.

The previous prime is 101142123409. The next prime is 101142123443. The reversal of 101142123422 is 224321241101.

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

It is a super-2 number, since 2×101142123422² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139698704 + ... + 139699427.

It is an arithmetic number, because the mean of its divisors is an integer number (19068922509).

Almost surely, 2^101142123422 is an apocalyptic number.

101142123422 is a deficient number, since it is larger than the sum of its proper divisors (51409256650).

101142123422 is a wasteful number, since it uses less digits than its factorization.

101142123422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279398314.

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

Adding to 101142123422 its reverse (224321241101), we get a palindrome (325463364523).

The spelling of 101142123422 in words is "one hundred one billion, one hundred forty-two million, one hundred twenty-three thousand, four hundred twenty-two".