21011302103110 has 64 divisors (see below), whose sum is σ = 42629325926400. Its totient is φ = 7387088572800.

The previous prime is 21011302103101. The next prime is 21011302103161. The reversal of 21011302103110 is 1130120311012.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 763311 + ... + 6527269.

It is an arithmetic number, because the mean of its divisors is an integer number (666083217600).

Almost surely, 2^{21011302103110} is an apocalyptic number.

21011302103110 is an abundant number, since it is smaller than the sum of its proper divisors (21618023823290).

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

21011302103110 is a wasteful number, since it uses less digits than its factorization.

21011302103110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5765077.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 21011302103110 its reverse (1130120311012), we get a palindrome (22141422414122).

The spelling of 21011302103110 in words is "twenty-one trillion, eleven billion, three hundred two million, one hundred three thousand, one hundred ten".