4021105112140 has 12 divisors (see below), whose sum is σ = 8444320735536. Its totient is φ = 1608442044848.

The previous prime is 4021105112131. The next prime is 4021105112149. The reversal of 4021105112140 is 412115011204.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4021105112131) and next prime (4021105112149).

It is not an unprimeable number, because it can be changed into a prime (4021105112149) by changing a digit.

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, 100527627784 + ... + 100527627823.

It is an arithmetic number, because the mean of its divisors is an integer number (703693394628).

Almost surely, 2^{4021105112140} is an apocalyptic number.

It is an amenable number.

4021105112140 is an abundant number, since it is smaller than the sum of its proper divisors (4423215623396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4021105112140 is a wasteful number, since it uses less digits than its factorization.

4021105112140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201055255616 (or 201055255614 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

The spelling of 4021105112140 in words is "four trillion, twenty-one billion, one hundred five million, one hundred twelve thousand, one hundred forty".