1401322223021 has 16 divisors (see below), whose sum is σ = 1628728521600. Its totient is φ = 1180722106368.

The previous prime is 1401322223003. The next prime is 1401322223023. The reversal of 1401322223021 is 1203222231041.

It is a de Polignac number, because none of the positive numbers 2^k-1401322223021 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 (1401322223023) 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, 11118485 + ... + 11243813.

It is an arithmetic number, because the mean of its divisors is an integer number (101795532600).

Almost surely, 2^{1401322223021} is an apocalyptic number.

It is an amenable number.

1401322223021 is a deficient number, since it is larger than the sum of its proper divisors (227406298579).

1401322223021 is a wasteful number, since it uses less digits than its factorization.

1401322223021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152468.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1401322223021 its reverse (1203222231041), we get a palindrome (2604544454062).

The spelling of 1401322223021 in words is "one trillion, four hundred one billion, three hundred twenty-two million, two hundred twenty-three thousand, twenty-one".