1401043143021 has 8 divisors (see below), whose sum is σ = 1868063021664. Its totient is φ = 934026013200.

The previous prime is 1401043142977. The next prime is 1401043143037. The reversal of 1401043143021 is 1203413401041.

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

It is not a de Polignac number, because 1401043143021 - 2¹⁰ = 1401043141997 is a prime.

It is a super-2 number, since 2×1401043143021² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1401043142982 and 1401043143000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401043123021) 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, 1464775 + ... + 2224331.

It is an arithmetic number, because the mean of its divisors is an integer number (233507877708).

Almost surely, 2^{1401043143021} is an apocalyptic number.

It is an amenable number.

1401043143021 is a deficient number, since it is larger than the sum of its proper divisors (467019878643).

1401043143021 is an equidigital number, since it uses as much as digits as its factorization.

1401043143021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374411.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1401043143021 its reverse (1203413401041), we get a palindrome (2604456544062).

The spelling of 1401043143021 in words is "one trillion, four hundred one billion, forty-three million, one hundred forty-three thousand, twenty-one".