201012110421 has 32 divisors (see below), whose sum is σ = 286515609600. Its totient is φ = 124993290240.

The previous prime is 201012110419. The next prime is 201012110461. The reversal of 201012110421 is 124011210102.

It is not a de Polignac number, because 201012110421 - 2¹ = 201012110419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201012110421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201012110461) 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, 842325 + ... + 1054293.

It is an arithmetic number, because the mean of its divisors is an integer number (8953612800).

Almost surely, 2^201012110421 is an apocalyptic number.

It is an amenable number.

201012110421 is a deficient number, since it is larger than the sum of its proper divisors (85503499179).

201012110421 is a wasteful number, since it uses less digits than its factorization.

201012110421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212249.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201012110421 its reverse (124011210102), we get a palindrome (325023320523).

The spelling of 201012110421 in words is "two hundred one billion, twelve million, one hundred ten thousand, four hundred twenty-one".