1402200432021 has 4 divisors (see below), whose sum is σ = 1869600576032. Its totient is φ = 934800288012.

The previous prime is 1402200432007. The next prime is 1402200432043. The reversal of 1402200432021 is 1202340022041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1402200432021 - 2³³ = 1393610497429 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 (1402200452021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233700072001 + ... + 233700072006.

It is an arithmetic number, because the mean of its divisors is an integer number (467400144008).

Almost surely, 2^{1402200432021} is an apocalyptic number.

It is an amenable number.

1402200432021 is a deficient number, since it is larger than the sum of its proper divisors (467400144011).

1402200432021 is an equidigital number, since it uses as much as digits as its factorization.

1402200432021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467400144010.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 1402200432021 its reverse (1202340022041), we get a palindrome (2604540454062).

The spelling of 1402200432021 in words is "one trillion, four hundred two billion, two hundred million, four hundred thirty-two thousand, twenty-one".