21211021130132 has 12 divisors (see below), whose sum is σ = 37121344600116. Its totient is φ = 10604922672960.

The previous prime is 21211021130011. The next prime is 21211021130153. The reversal of 21211021130132 is 23103112011212.

It can be written as a sum of positive squares in 2 ways, for example, as 9028366316176 + 12182654813956 = 3004724^2 + 3490366^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146891843 + ... + 147036170.

It is an arithmetic number, because the mean of its divisors is an integer number (3093445383343).

Almost surely, 2^{21211021130132} is an apocalyptic number.

It is an amenable number.

21211021130132 is a deficient number, since it is larger than the sum of its proper divisors (15910323469984).

21211021130132 is a wasteful number, since it uses less digits than its factorization.

21211021130132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293946058 (or 293946056 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 21211021130132 its reverse (23103112011212), we get a palindrome (44314133141344).

The spelling of 21211021130132 in words is "twenty-one trillion, two hundred eleven billion, twenty-one million, one hundred thirty thousand, one hundred thirty-two".