21132011302 has 8 divisors (see below), whose sum is σ = 32144468112. Its totient is φ = 10417188600.

The previous prime is 21132011249. The next prime is 21132011357. The reversal of 21132011302 is 20311023112.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 74408349 + ... + 74408632.

It is an arithmetic number, because the mean of its divisors is an integer number (4018058514).

Almost surely, 2^21132011302 is an apocalyptic number.

21132011302 is a deficient number, since it is larger than the sum of its proper divisors (11012456810).

21132011302 is a wasteful number, since it uses less digits than its factorization.

21132011302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148817054.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21132011302 its reverse (20311023112), we get a palindrome (41443034414).

The spelling of 21132011302 in words is "twenty-one billion, one hundred thirty-two million, eleven thousand, three hundred two".