201134202421 has 8 divisors (see below), whose sum is σ = 202680428544. Its totient is φ = 199588140960.

The previous prime is 201134202397. The next prime is 201134202439. The reversal of 201134202421 is 124202431102.

201134202421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201134202421 - 2⁹ = 201134201909 is a prime.

It is a super-2 number, since 2×201134202421² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201134202392 and 201134202401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201134202221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3732556 + ... + 3786058.

It is an arithmetic number, because the mean of its divisors is an integer number (25335053568).

Almost surely, 2^201134202421 is an apocalyptic number.

It is an amenable number.

201134202421 is a deficient number, since it is larger than the sum of its proper divisors (1546226123).

201134202421 is a wasteful number, since it uses less digits than its factorization.

201134202421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82331.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 201134202421 its reverse (124202431102), we get a palindrome (325336633523).

The spelling of 201134202421 in words is "two hundred one billion, one hundred thirty-four million, two hundred two thousand, four hundred twenty-one".