210201132001021 has 24 divisors (see below), whose sum is σ = 244994557888800. Its totient is φ = 179822512592352.

The previous prime is 210201132001013. The next prime is 210201132001099. The reversal of 210201132001021 is 120100231102012.

It is not a de Polignac number, because 210201132001021 - 2³ = 210201132001013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210201132000986 and 210201132001004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210201132002021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1020543555 + ... + 1020749503.

It is an arithmetic number, because the mean of its divisors is an integer number (10208106578700).

Almost surely, 2^{210201132001021} is an apocalyptic number.

It is an amenable number.

210201132001021 is a deficient number, since it is larger than the sum of its proper divisors (34793425887779).

210201132001021 is a wasteful number, since it uses less digits than its factorization.

210201132001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246313 (or 246306 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 210201132001021 its reverse (120100231102012), we get a palindrome (330301363103033).

The spelling of 210201132001021 in words is "two hundred ten trillion, two hundred one billion, one hundred thirty-two million, one thousand, twenty-one".