21110103111110 has 64 divisors (see below), whose sum is σ = 40999415308992. Its totient is φ = 7779600930816.

The previous prime is 21110103111109. The next prime is 21110103111197. The reversal of 21110103111110 is 1111130101112.

It is a super-2 number, since 2×21110103111110² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 145246697 + ... + 145391963.

It is an arithmetic number, because the mean of its divisors is an integer number (640615864203).

Almost surely, 2^{21110103111110} is an apocalyptic number.

21110103111110 is a deficient number, since it is larger than the sum of its proper divisors (19889312197882).

21110103111110 is a wasteful number, since it uses less digits than its factorization.

21110103111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147417.

The product of its (nonzero) digits is 6, while the sum is 14.

Adding to 21110103111110 its reverse (1111130101112), we get a palindrome (22221233212222).

The spelling of 21110103111110 in words is "twenty-one trillion, one hundred ten billion, one hundred three million, one hundred eleven thousand, one hundred ten".