21110011302111 has 16 divisors (see below), whose sum is σ = 29381294723808. Its totient is φ = 13468505212800.

The previous prime is 21110011302103. The next prime is 21110011302139. The reversal of 21110011302111 is 11120311001112.

It is not a de Polignac number, because 21110011302111 - 2³ = 21110011302103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21110011302161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1558848000 + ... + 1558861541.

It is an arithmetic number, because the mean of its divisors is an integer number (1836330920238).

Almost surely, 2^{21110011302111} is an apocalyptic number.

21110011302111 is a deficient number, since it is larger than the sum of its proper divisors (8271283421697).

21110011302111 is a wasteful number, since it uses less digits than its factorization.

21110011302111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117709642.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 21110011302111 its reverse (11120311001112), we get a palindrome (32230322303223).

The spelling of 21110011302111 in words is "twenty-one trillion, one hundred ten billion, eleven million, three hundred two thousand, one hundred eleven".