1401313102021 has 32 divisors (see below), whose sum is σ = 1747111680000. Its totient is φ = 1096659974592.

The previous prime is 1401313101967. The next prime is 1401313102117. The reversal of 1401313102021 is 1202013131041.

It is not a de Polignac number, because 1401313102021 - 2¹¹ = 1401313099973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 1401313102021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401313102921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1777680 + ... + 2441878.

It is an arithmetic number, because the mean of its divisors is an integer number (54597240000).

Almost surely, 2^{1401313102021} is an apocalyptic number.

It is an amenable number.

1401313102021 is a deficient number, since it is larger than the sum of its proper divisors (345798577979).

1401313102021 is a wasteful number, since it uses less digits than its factorization.

1401313102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664801.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1401313102021 its reverse (1202013131041), we get a palindrome (2603326233062).

It can be divided in two parts, 14013131020 and 21, that added together give a palindrome (14013131041).

The spelling of 1401313102021 in words is "one trillion, four hundred one billion, three hundred thirteen million, one hundred two thousand, twenty-one".