21011101322 has 32 divisors (see below), whose sum is σ = 34891845120. Its totient is φ = 9449818560.

The previous prime is 21011101283. The next prime is 21011101333. The reversal of 21011101322 is 22310111012.

It is a junction number, because it is equal to n+sod(n) for n = 21011101297 and 21011101306.

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, 105833 + ... + 230700.

It is an arithmetic number, because the mean of its divisors is an integer number (1090370160).

Almost surely, 2^21011101322 is an apocalyptic number.

21011101322 is a deficient number, since it is larger than the sum of its proper divisors (13880743798).

21011101322 is a wasteful number, since it uses less digits than its factorization.

21011101322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336638.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 21011101322 its reverse (22310111012), we get a palindrome (43321212334).

The spelling of 21011101322 in words is "twenty-one billion, eleven million, one hundred one thousand, three hundred twenty-two".