21110012201122 has 32 divisors (see below), whose sum is σ = 34732054586880. Its totient is φ = 9564146729280.

The previous prime is 21110012201099. The next prime is 21110012201123. The reversal of 21110012201122 is 22110221001112.

It is a junction number, because it is equal to n+sod(n) for n = 21110012201096 and 21110012201105.

It is not an unprimeable number, because it can be changed into a prime (21110012201123) 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, 29348454 + ... + 30059137.

It is an arithmetic number, because the mean of its divisors is an integer number (1085376705840).

Almost surely, 2^{21110012201122} is an apocalyptic number.

21110012201122 is a deficient number, since it is larger than the sum of its proper divisors (13622042385758).

21110012201122 is a wasteful number, since it uses less digits than its factorization.

21110012201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59407858.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 21110012201122 its reverse (22110221001112), we get a palindrome (43220233202234).

The spelling of 21110012201122 in words is "twenty-one trillion, one hundred ten billion, twelve million, two hundred one thousand, one hundred twenty-two".