21101110211322 has 24 divisors (see below), whose sum is σ = 45730247808960. Its totient is φ = 7031984067720.

The previous prime is 21101110211273. The next prime is 21101110211339. The reversal of 21101110211322 is 22311201110112.

It is a happy number.

21101110211322 is a `hidden beast` number, since 2 + 110 + 11 + 10 + 211 + 322 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 21101110211295 and 21101110211304.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143202322 + ... + 143349597.

It is an arithmetic number, because the mean of its divisors is an integer number (1905426992040).

Almost surely, 2^{21101110211322} is an apocalyptic number.

21101110211322 is an abundant number, since it is smaller than the sum of its proper divisors (24629137597638).

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

21101110211322 is a wasteful number, since it uses less digits than its factorization.

21101110211322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286556018 (or 286556015 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 21101110211322 its reverse (22311201110112), we get a palindrome (43412311321434).

The spelling of 21101110211322 in words is "twenty-one trillion, one hundred one billion, one hundred ten million, two hundred eleven thousand, three hundred twenty-two".