402133014221 has 4 divisors (see below), whose sum is σ = 402142058592. Its totient is φ = 402123969852.

The previous prime is 402133014187. The next prime is 402133014263. The reversal of 402133014221 is 122410331204.

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 a cyclic number.

It is not a de Polignac number, because 402133014221 - 2³⁴ = 384953145037 is a prime.

It is a super-2 number, since 2×402133014221² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402133014121) 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, 4455161 + ... + 4544526.

It is an arithmetic number, because the mean of its divisors is an integer number (100535514648).

Almost surely, 2^402133014221 is an apocalyptic number.

It is an amenable number.

402133014221 is a deficient number, since it is larger than the sum of its proper divisors (9044371).

402133014221 is an equidigital number, since it uses as much as digits as its factorization.

402133014221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9044370.

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

Adding to 402133014221 its reverse (122410331204), we get a palindrome (524543345425).

The spelling of 402133014221 in words is "four hundred two billion, one hundred thirty-three million, fourteen thousand, two hundred twenty-one".