201221023001302 has 4 divisors (see below), whose sum is σ = 301831534501956. Its totient is φ = 100610511500650.

The previous prime is 201221023001267. The next prime is 201221023001353. The reversal of 201221023001302 is 203100320122102.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 201221023001302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50305255750324 + ... + 50305255750327.

It is an arithmetic number, because the mean of its divisors is an integer number (75457883625489).

Almost surely, 2^{201221023001302} is an apocalyptic number.

201221023001302 is a deficient number, since it is larger than the sum of its proper divisors (100610511500654).

201221023001302 is a wasteful number, since it uses less digits than its factorization.

201221023001302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100610511500653.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 201221023001302 its reverse (203100320122102), we get a palindrome (404321343123404).

The spelling of 201221023001302 in words is "two hundred one trillion, two hundred twenty-one billion, twenty-three million, one thousand, three hundred two".