200221210021001 has 16 divisors (see below), whose sum is σ = 215866030800000. Its totient is φ = 184611146537088.

The previous prime is 200221210020947. The next prime is 200221210021009. The reversal of 200221210021001 is 100120012122002.

It is a cyclic number.

It is not a de Polignac number, because 200221210021001 - 2³⁸ = 199946332114057 is a prime.

It is a super-2 number, since 2×200221210021001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200221210021009) 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, 313277570 + ... + 313916036.

It is an arithmetic number, because the mean of its divisors is an integer number (13491626925000).

Almost surely, 2^{200221210021001} is an apocalyptic number.

It is an amenable number.

200221210021001 is a deficient number, since it is larger than the sum of its proper divisors (15644820778999).

200221210021001 is a wasteful number, since it uses less digits than its factorization.

200221210021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665648.

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

Adding to 200221210021001 its reverse (100120012122002), we get a palindrome (300341222143003).

The spelling of 200221210021001 in words is "two hundred trillion, two hundred twenty-one billion, two hundred ten million, twenty-one thousand, one".