21110011101102 has 96 divisors (see below), whose sum is σ = 53561839468032. Its totient is φ = 5428831320000.

The previous prime is 21110011100999. The next prime is 21110011101107. The reversal of 21110011101102 is 20110111001112.

It is a super-2 number, since 2×21110011101102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21110011101107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20050474 + ... + 21077037.

It is an arithmetic number, because the mean of its divisors is an integer number (557935827792).

Almost surely, 2^{21110011101102} is an apocalyptic number.

21110011101102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21110011101102 is an abundant number, since it is smaller than the sum of its proper divisors (32451828366930).

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

21110011101102 is a wasteful number, since it uses less digits than its factorization.

21110011101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41127646 (or 41127635 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 21110011101102 its reverse (20110111001112), we get a palindrome (41220122102214).

The spelling of 21110011101102 in words is "twenty-one trillion, one hundred ten billion, eleven million, one hundred one thousand, one hundred two".