21040101013211 has 8 divisors (see below), whose sum is σ = 24077098694880. Its totient is φ = 18010920572928.

The previous prime is 21040101013181. The next prime is 21040101013229. The reversal of 21040101013211 is 11231010104012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21040101013211 is a prime.

It is a super-2 number, since 2×21040101013211² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21040101013211.

It is not an unprimeable number, because it can be changed into a prime (21040101013511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1954304576 + ... + 1954315341.

It is an arithmetic number, because the mean of its divisors is an integer number (3009637336860).

Almost surely, 2^{21040101013211} is an apocalyptic number.

21040101013211 is a deficient number, since it is larger than the sum of its proper divisors (3036997681669).

21040101013211 is an equidigital number, since it uses as much as digits as its factorization.

21040101013211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3908620693.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 21040101013211 its reverse (11231010104012), we get a palindrome (32271111117223).

The spelling of 21040101013211 in words is "twenty-one trillion, forty billion, one hundred one million, thirteen thousand, two hundred eleven".