201021121302 has 32 divisors (see below), whose sum is σ = 404361540960. Its totient is φ = 66620897280.

The previous prime is 201021121283. The next prime is 201021121303. The reversal of 201021121302 is 203121120102.

201021121302 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201021121303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1966224 + ... + 2065932.

It is an arithmetic number, because the mean of its divisors is an integer number (12636298155).

Almost surely, 2^201021121302 is an apocalyptic number.

201021121302 is an abundant number, since it is smaller than the sum of its proper divisors (203340419658).

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

201021121302 is a wasteful number, since it uses less digits than its factorization.

201021121302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101648.

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

Adding to 201021121302 its reverse (203121120102), we get a palindrome (404142241404).

The spelling of 201021121302 in words is "two hundred one billion, twenty-one million, one hundred twenty-one thousand, three hundred two".