21342100010 has 64 divisors (see below), whose sum is σ = 47949373440. Its totient is φ = 6644531520.

The previous prime is 21342099991. The next prime is 21342100057. The reversal of 21342100010 is 1000124312.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 683111 + ... + 713669.

It is an arithmetic number, because the mean of its divisors is an integer number (749208960).

Almost surely, 2^21342100010 is an apocalyptic number.

21342100010 is an abundant number, since it is smaller than the sum of its proper divisors (26607273430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21342100010 is a wasteful number, since it uses less digits than its factorization.

21342100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31491.

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

Adding to 21342100010 its reverse (1000124312), we get a palindrome (22342224322).

The spelling of 21342100010 in words is "twenty-one billion, three hundred forty-two million, one hundred thousand, ten".