210201121331 has 8 divisors (see below), whose sum is σ = 222937466400. Its totient is φ = 197506062208.

The previous prime is 210201121313. The next prime is 210201121357. The reversal of 210201121331 is 133121102012.

210201121331 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 210201121331 - 2¹⁰ = 210201120307 is a prime.

It is a super-2 number, since 2×210201121331² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210201121381) 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, 10310996 + ... + 10331361.

It is an arithmetic number, because the mean of its divisors is an integer number (27867183300).

Almost surely, 2^210201121331 is an apocalyptic number.

210201121331 is a deficient number, since it is larger than the sum of its proper divisors (12736345069).

210201121331 is a wasteful number, since it uses less digits than its factorization.

210201121331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20642973.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 210201121331 its reverse (133121102012), we get a palindrome (343322223343).

The spelling of 210201121331 in words is "two hundred ten billion, two hundred one million, one hundred twenty-one thousand, three hundred thirty-one".