20002140122111 has 8 divisors (see below), whose sum is σ = 22919904251520. Its totient is φ = 17099454877848.

The previous prime is 20002140122059. The next prime is 20002140122177. The reversal of 20002140122111 is 11122104120002.

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

It is a de Polignac number, because none of the positive numbers 2^k-20002140122111 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 20002140122111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002140122711) 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, 3769718441 + ... + 3769723746.

It is an arithmetic number, because the mean of its divisors is an integer number (2864988031440).

Almost surely, 2^{20002140122111} is an apocalyptic number.

20002140122111 is a deficient number, since it is larger than the sum of its proper divisors (2917764129409).

20002140122111 is an equidigital number, since it uses as much as digits as its factorization.

20002140122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7539442573.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20002140122111 its reverse (11122104120002), we get a palindrome (31124244242113).

The spelling of 20002140122111 in words is "twenty trillion, two billion, one hundred forty million, one hundred twenty-two thousand, one hundred eleven".