21020222200011 has 16 divisors (see below), whose sum is σ = 28626642075648. Its totient is φ = 13713711912000.

The previous prime is 21020222199983. The next prime is 21020222200039. The reversal of 21020222200011 is 11000222202012.

It is an interprime number because it is at equal distance from previous prime (21020222199983) and next prime (21020222200039).

It is not a de Polignac number, because 21020222200011 - 2²³ = 21020213811403 is a prime.

It is a super-3 number, since 3×21020222200011³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (21020222200111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7546315 + ... + 9949236.

It is an arithmetic number, because the mean of its divisors is an integer number (1789165129728).

Almost surely, 2^{21020222200011} is an apocalyptic number.

21020222200011 is a deficient number, since it is larger than the sum of its proper divisors (7606419875637).

21020222200011 is a wasteful number, since it uses less digits than its factorization.

21020222200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17504122.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 21020222200011 its reverse (11000222202012), we get a palindrome (32020444402023).

The spelling of 21020222200011 in words is "twenty-one trillion, twenty billion, two hundred twenty-two million, two hundred thousand, eleven".