21202000211011 has 8 divisors (see below), whose sum is σ = 21771734547584. Its totient is φ = 20639432344320.

The previous prime is 21202000210999. The next prime is 21202000211023. The reversal of 21202000211011 is 11011200020212.

It is an interprime number because it is at equal distance from previous prime (21202000210999) and next prime (21202000211023).

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

It is a cyclic number.

It is not a de Polignac number, because 21202000211011 - 2²⁵ = 21201966656579 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21202000210982 and 21202000211000.

It is not an unprimeable number, because it can be changed into a prime (21202000211311) 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, 1791611475 + ... + 1791623308.

It is an arithmetic number, because the mean of its divisors is an integer number (2721466818448).

Almost surely, 2^{21202000211011} is an apocalyptic number.

21202000211011 is a deficient number, since it is larger than the sum of its proper divisors (569734336573).

21202000211011 is an equidigital number, since it uses as much as digits as its factorization.

21202000211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3583234941.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21202000211011 its reverse (11011200020212), we get a palindrome (32213200231223).

The spelling of 21202000211011 in words is "twenty-one trillion, two hundred two billion, two hundred eleven thousand, eleven".