201121210302 has 16 divisors (see below), whose sum is σ = 423413074560. Its totient is φ = 63511961112.

The previous prime is 201121210273. The next prime is 201121210331. The reversal of 201121210302 is 203012121102.

It is an interprime number because it is at equal distance from previous prime (201121210273) and next prime (201121210331).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882110458 + ... + 882110685.

It is an arithmetic number, because the mean of its divisors is an integer number (26463317160).

Almost surely, 2^201121210302 is an apocalyptic number.

201121210302 is an abundant number, since it is smaller than the sum of its proper divisors (222291864258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201121210302 is a wasteful number, since it uses less digits than its factorization.

201121210302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764221167.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 201121210302 its reverse (203012121102), we get a palindrome (404133331404).

The spelling of 201121210302 in words is "two hundred one billion, one hundred twenty-one million, two hundred ten thousand, three hundred two".