140211450421021 has 8 divisors (see below), whose sum is σ = 168675429078080. Its totient is φ = 113855914627488.

The previous prime is 140211450420959. The next prime is 140211450421033. The reversal of 140211450421021 is 120124054112041.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140211450421021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140211450431021) 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, 527110715736 + ... + 527110716001.

It is an arithmetic number, because the mean of its divisors is an integer number (21084428634760).

Almost surely, 2^{140211450421021} is an apocalyptic number.

It is an amenable number.

140211450421021 is a deficient number, since it is larger than the sum of its proper divisors (28463978657059).

140211450421021 is a wasteful number, since it uses less digits than its factorization.

140211450421021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054221431763.

The product of its (nonzero) digits is 2560, while the sum is 28.

The spelling of 140211450421021 in words is "one hundred forty trillion, two hundred eleven billion, four hundred fifty million, four hundred twenty-one thousand, twenty-one".