21112301202 has 16 divisors (see below), whose sum is σ = 42234952800. Its totient is φ = 7035708672.

The previous prime is 21112301183. The next prime is 21112301209. The reversal of 21112301202 is 20210321112.

It is not an unprimeable number, because it can be changed into a prime (21112301209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404623 + ... + 453810.

It is an arithmetic number, because the mean of its divisors is an integer number (2639684550).

Almost surely, 2^21112301202 is an apocalyptic number.

21112301202 is an abundant number, since it is smaller than the sum of its proper divisors (21122651598).

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

21112301202 is a wasteful number, since it uses less digits than its factorization.

21112301202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862537.

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

Adding to 21112301202 its reverse (20210321112), we get a palindrome (41322622314).

The spelling of 21112301202 in words is "twenty-one billion, one hundred twelve million, three hundred one thousand, two hundred two".