200102212001 has 16 divisors (see below), whose sum is σ = 213491376000. Its totient is φ = 186894075648.

The previous prime is 200102211997. The next prime is 200102212003. The reversal of 200102212001 is 100212201002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 200102212001 - 2² = 200102211997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200102212003) 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, 5708075 + ... + 5743023.

It is an arithmetic number, because the mean of its divisors is an integer number (13343211000).

Almost surely, 2^200102212001 is an apocalyptic number.

It is an amenable number.

200102212001 is a deficient number, since it is larger than the sum of its proper divisors (13389163999).

200102212001 is a wasteful number, since it uses less digits than its factorization.

200102212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37528.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200102212001 its reverse (100212201002), we get a palindrome (300314413003).

It can be divided in two parts, 200 and 102212001, that added together give a palindrome (102212201).

The spelling of 200102212001 in words is "two hundred billion, one hundred two million, two hundred twelve thousand, one".