421133244101331 has 16 divisors (see below), whose sum is σ = 563319513888768. Its totient is φ = 279851244872000.

The previous prime is 421133244101299. The next prime is 421133244101357. The reversal of 421133244101331 is 133101442331124.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 421133244101331 - 2⁵ = 421133244101299 is a prime.

It is a super-2 number, since 2×421133244101331² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421133244101292 and 421133244101301.

It is not an unprimeable number, because it can be changed into a prime (421133244101371) 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, 188903806 + ... + 191120156.

It is an arithmetic number, because the mean of its divisors is an integer number (35207469618048).

Almost surely, 2^{421133244101331} is an apocalyptic number.

421133244101331 is a deficient number, since it is larger than the sum of its proper divisors (142186269787437).

421133244101331 is a wasteful number, since it uses less digits than its factorization.

421133244101331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2420322.

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 421133244101331 its reverse (133101442331124), we get a palindrome (554234686432455).

The spelling of 421133244101331 in words is "four hundred twenty-one trillion, one hundred thirty-three billion, two hundred forty-four million, one hundred one thousand, three hundred thirty-one".