200121120102001 has 8 divisors (see below), whose sum is σ = 233576018599680. Its totient is φ = 167882763367968.

The previous prime is 200121120101951. The next prime is 200121120102017. The reversal of 200121120102001 is 100201021121002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200121120102001 - 2⁹ = 200121120101489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200121120102401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304135440556 + ... + 304135441213.

It is an arithmetic number, because the mean of its divisors is an integer number (29197002324960).

Almost surely, 2^{200121120102001} is an apocalyptic number.

It is an amenable number.

200121120102001 is a deficient number, since it is larger than the sum of its proper divisors (33454898497679).

200121120102001 is an equidigital number, since it uses as much as digits as its factorization.

200121120102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608270881823.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 200121120102001 its reverse (100201021121002), we get a palindrome (300322141223003).

The spelling of 200121120102001 in words is "two hundred trillion, one hundred twenty-one billion, one hundred twenty million, one hundred two thousand, one".