21200000101142 has 8 divisors (see below), whose sum is σ = 31975690760832. Its totient is φ = 10541436514200.

The previous prime is 21200000101141. The next prime is 21200000101213. The reversal of 21200000101142 is 24110100000212.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21200000101141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29281767734 + ... + 29281768457.

It is an arithmetic number, because the mean of its divisors is an integer number (3996961345104).

Almost surely, 2^{21200000101142} is an apocalyptic number.

21200000101142 is a deficient number, since it is larger than the sum of its proper divisors (10775690659690).

21200000101142 is a wasteful number, since it uses less digits than its factorization.

21200000101142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58563536374.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21200000101142 its reverse (24110100000212), we get a palindrome (45310100101354).

The spelling of 21200000101142 in words is "twenty-one trillion, two hundred billion, one hundred one thousand, one hundred forty-two".