21110201011022 has 32 divisors (see below), whose sum is σ = 33013331619840. Its totient is φ = 10112616077760.

The previous prime is 21110201010989. The next prime is 21110201011051. The reversal of 21110201011022 is 22011010201112.

It is a junction number, because it is equal to n+sod(n) for n = 21110201010988 and 21110201011006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22484879 + ... + 23404917.

It is an arithmetic number, because the mean of its divisors is an integer number (1031666613120).

Almost surely, 2^{21110201011022} is an apocalyptic number.

21110201011022 is a deficient number, since it is larger than the sum of its proper divisors (11903130608818).

21110201011022 is a wasteful number, since it uses less digits than its factorization.

21110201011022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923768.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 21110201011022 its reverse (22011010201112), we get a palindrome (43121211212134).

The spelling of 21110201011022 in words is "twenty-one trillion, one hundred ten billion, two hundred one million, eleven thousand, twenty-two".