21000223200001 has 16 divisors (see below), whose sum is σ = 21133226848000. Its totient is φ = 20867509510848.

The previous prime is 21000223199933. The next prime is 21000223200013. The reversal of 21000223200001 is 10000232200012.

It is a cyclic number.

It is not a de Polignac number, because 21000223200001 - 2¹¹ = 21000223197953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21000223200031) 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, 608349820 + ... + 608384338.

It is an arithmetic number, because the mean of its divisors is an integer number (1320826678000).

Almost surely, 2^{21000223200001} is an apocalyptic number.

It is an amenable number.

21000223200001 is a deficient number, since it is larger than the sum of its proper divisors (133003647999).

21000223200001 is a wasteful number, since it uses less digits than its factorization.

21000223200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38608.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 21000223200001 its reverse (10000232200012), we get a palindrome (31000455400013).

The spelling of 21000223200001 in words is "twenty-one trillion, two hundred twenty-three million, two hundred thousand, one".