21132100202 has 8 divisors (see below), whose sum is σ = 31940121312. Its totient is φ = 10485393100.

The previous prime is 21132100153. The next prime is 21132100207. The reversal of 21132100202 is 20200123112.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (21132100207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40328174 + ... + 40328697.

It is an arithmetic number, because the mean of its divisors is an integer number (3992515164).

Almost surely, 2^21132100202 is an apocalyptic number.

21132100202 is a deficient number, since it is larger than the sum of its proper divisors (10808021110).

21132100202 is a wasteful number, since it uses less digits than its factorization.

21132100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80657004.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 21132100202 its reverse (20200123112), we get a palindrome (41332223314).

The spelling of 21132100202 in words is "twenty-one billion, one hundred thirty-two million, one hundred thousand, two hundred two".