201425211234321 has 32 divisors (see below), whose sum is σ = 284457983407488. Its totient is φ = 126343128468480.

The previous prime is 201425211234283. The next prime is 201425211234343. The reversal of 201425211234321 is 123432112524102.

It is not a de Polignac number, because 201425211234321 - 2⁷ = 201425211234193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201425211234421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2388012070 + ... + 2388096416.

It is an arithmetic number, because the mean of its divisors is an integer number (8889311981484).

Almost surely, 2^{201425211234321} is an apocalyptic number.

It is an amenable number.

201425211234321 is a deficient number, since it is larger than the sum of its proper divisors (83032772173167).

201425211234321 is a wasteful number, since it uses less digits than its factorization.

201425211234321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99121.

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 201425211234321 its reverse (123432112524102), we get a palindrome (324857323758423).

The spelling of 201425211234321 in words is "two hundred one trillion, four hundred twenty-five billion, two hundred eleven million, two hundred thirty-four thousand, three hundred twenty-one".