21210222000101 has 32 divisors (see below), whose sum is σ = 22663682051040. Its totient is φ = 19780599545856.

The previous prime is 21210222000089. The next prime is 21210222000113. The reversal of 21210222000101 is 10100022201212.

It is an interprime number because it is at equal distance from previous prime (21210222000089) and next prime (21210222000113).

It can be written as a sum of positive squares in 16 ways, for example, as 782994916900 + 20427227083201 = 884870^2 + 4519649^2 .

It is not a de Polignac number, because 21210222000101 - 2²² = 21210217805797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21210222000151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1213598975 + ... + 1213616451.

It is an arithmetic number, because the mean of its divisors is an integer number (708240064095).

Almost surely, 2^{21210222000101} is an apocalyptic number.

It is an amenable number.

21210222000101 is a deficient number, since it is larger than the sum of its proper divisors (1453460050939).

21210222000101 is a wasteful number, since it uses less digits than its factorization.

21210222000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19193.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21210222000101 its reverse (10100022201212), we get a palindrome (31310244201313).

The spelling of 21210222000101 in words is "twenty-one trillion, two hundred ten billion, two hundred twenty-two million, one hundred one", and thus it is an aban number.