21102100001110 has 16 divisors (see below), whose sum is σ = 38120905566576. Its totient is φ = 8410367652768.

The previous prime is 21102100001107. The next prime is 21102100001113. The reversal of 21102100001110 is 1110000120112.

It is an interprime number because it is at equal distance from previous prime (21102100001107) and next prime (21102100001113).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21102100001113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3809040552 + ... + 3809046091.

It is an arithmetic number, because the mean of its divisors is an integer number (2382556597911).

Almost surely, 2^{21102100001110} is an apocalyptic number.

21102100001110 is a deficient number, since it is larger than the sum of its proper divisors (17018805565466).

21102100001110 is a wasteful number, since it uses less digits than its factorization.

21102100001110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7618086927.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 21102100001110 its reverse (1110000120112), we get a palindrome (22212100121222).

The spelling of 21102100001110 in words is "twenty-one trillion, one hundred two billion, one hundred million, one thousand, one hundred ten".