21010020101110 has 16 divisors (see below), whose sum is σ = 37852636417776. Its totient is φ = 8396319099168.

The previous prime is 21010020101099. The next prime is 21010020101131. The reversal of 21010020101110 is 1110102001012.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 961106184 + ... + 961128043.

It is an arithmetic number, because the mean of its divisors is an integer number (2365789776111).

Almost surely, 2^{21010020101110} is an apocalyptic number.

21010020101110 is a deficient number, since it is larger than the sum of its proper divisors (16842616316666).

21010020101110 is a wasteful number, since it uses less digits than its factorization.

21010020101110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922235327.

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

Adding to 21010020101110 its reverse (1110102001012), we get a palindrome (22120122102122).

The spelling of 21010020101110 in words is "twenty-one trillion, ten billion, twenty million, one hundred one thousand, one hundred ten".