21101200213342 has 8 divisors (see below), whose sum is σ = 31774959076896. Its totient is φ = 10509547187712.

The previous prime is 21101200213333. The next prime is 21101200213343. The reversal of 21101200213342 is 24331200210112.

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 (21101200213343) 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, 20526458838 + ... + 20526459865.

It is an arithmetic number, because the mean of its divisors is an integer number (3971869884612).

Almost surely, 2^{21101200213342} is an apocalyptic number.

21101200213342 is a deficient number, since it is larger than the sum of its proper divisors (10673758863554).

21101200213342 is a wasteful number, since it uses less digits than its factorization.

21101200213342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41052918962.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21101200213342 its reverse (24331200210112), we get a palindrome (45432400423454).

The spelling of 21101200213342 in words is "twenty-one trillion, one hundred one billion, two hundred million, two hundred thirteen thousand, three hundred forty-two".