4020140121101 has 16 divisors (see below), whose sum is σ = 4584818355264. Its totient is φ = 3492025906944.

The previous prime is 4020140121073. The next prime is 4020140121167. The reversal of 4020140121101 is 1011210410204.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4020140121101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 4020140121101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020140121601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196055 + ... + 2842308.

It is an arithmetic number, because the mean of its divisors is an integer number (286551147204).

Almost surely, 2^{4020140121101} is an apocalyptic number.

It is an amenable number.

4020140121101 is a deficient number, since it is larger than the sum of its proper divisors (564678234163).

4020140121101 is a wasteful number, since it uses less digits than its factorization.

4020140121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3044380.

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

Adding to 4020140121101 its reverse (1011210410204), we get a palindrome (5031350531305).

The spelling of 4020140121101 in words is "four trillion, twenty billion, one hundred forty million, one hundred twenty-one thousand, one hundred one".