140312021111 has 8 divisors (see below), whose sum is σ = 146420909664. Its totient is φ = 134203829760.

The previous prime is 140312021093. The next prime is 140312021149. The reversal of 140312021111 is 111120213041.

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

It is not a de Polignac number, because 140312021111 - 2¹⁴ = 140312004727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140312021111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140312021011) 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, 260015 + ... + 590111.

It is an arithmetic number, because the mean of its divisors is an integer number (18302613708).

Almost surely, 2^140312021111 is an apocalyptic number.

140312021111 is a deficient number, since it is larger than the sum of its proper divisors (6108888553).

140312021111 is a wasteful number, since it uses less digits than its factorization.

140312021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348601.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 140312021111 its reverse (111120213041), we get a palindrome (251432234152).

The spelling of 140312021111 in words is "one hundred forty billion, three hundred twelve million, twenty-one thousand, one hundred eleven".