2133201421461 has 16 divisors (see below), whose sum is σ = 3103620784128. Its totient is φ = 1292523366000.

The previous prime is 2133201421451. The next prime is 2133201421471. The reversal of 2133201421461 is 1641241023312.

It is an interprime number because it is at equal distance from previous prime (2133201421451) and next prime (2133201421471).

It is not a de Polignac number, because 2133201421461 - 2⁹ = 2133201420949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133201421451) 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, 8016615 + ... + 8278436.

It is an arithmetic number, because the mean of its divisors is an integer number (193976299008).

Almost surely, 2^{2133201421461} is an apocalyptic number.

It is an amenable number.

2133201421461 is a deficient number, since it is larger than the sum of its proper divisors (970419362667).

2133201421461 is a wasteful number, since it uses less digits than its factorization.

2133201421461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16299032.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 2133201421461 its reverse (1641241023312), we get a palindrome (3774442444773).

The spelling of 2133201421461 in words is "two trillion, one hundred thirty-three billion, two hundred one million, four hundred twenty-one thousand, four hundred sixty-one".