21101230232002 has 32 divisors (see below), whose sum is σ = 32652229587840. Its totient is φ = 10222343873280.

The previous prime is 21101230231993. The next prime is 21101230232003. The reversal of 21101230232002 is 20023203210112.

It is not an unprimeable number, because it can be changed into a prime (21101230232003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309327274 + ... + 309395482.

It is an arithmetic number, because the mean of its divisors is an integer number (1020382174620).

Almost surely, 2^{21101230232002} is an apocalyptic number.

21101230232002 is a deficient number, since it is larger than the sum of its proper divisors (11550999355838).

21101230232002 is a wasteful number, since it uses less digits than its factorization.

21101230232002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106186.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 21101230232002 its reverse (20023203210112), we get a palindrome (41124433442114).

The spelling of 21101230232002 in words is "twenty-one trillion, one hundred one billion, two hundred thirty million, two hundred thirty-two thousand, two".