1401213104221 has 16 divisors (see below), whose sum is σ = 1656655459200. Its totient is φ = 1159590454848.

The previous prime is 1401213104201. The next prime is 1401213104273. The reversal of 1401213104221 is 1224013121041.

It is not a de Polignac number, because 1401213104221 - 2²¹ = 1401211007069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1401213104192 and 1401213104201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401213104201) 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, 8652631 + ... + 8813083.

It is an arithmetic number, because the mean of its divisors is an integer number (103540966200).

Almost surely, 2^{1401213104221} is an apocalyptic number.

It is an amenable number.

1401213104221 is a deficient number, since it is larger than the sum of its proper divisors (255442354979).

1401213104221 is a wasteful number, since it uses less digits than its factorization.

1401213104221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203508.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 1401213104221 its reverse (1224013121041), we get a palindrome (2625226225262).

The spelling of 1401213104221 in words is "one trillion, four hundred one billion, two hundred thirteen million, one hundred four thousand, two hundred twenty-one".