200210121121001 has 4 divisors (see below), whose sum is σ = 200210248132692. Its totient is φ = 200209994109312.

The previous prime is 200210121120959. The next prime is 200210121121007. The reversal of 200210121121001 is 100121121012002.

200210121121001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 191434757640025 + 8775363480976 = 13835995^2 + 2962324^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200210121121001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200210121121007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61111280 + ... + 64304033.

It is an arithmetic number, because the mean of its divisors is an integer number (50052562033173).

Almost surely, 2^{200210121121001} is an apocalyptic number.

It is an amenable number.

200210121121001 is a deficient number, since it is larger than the sum of its proper divisors (127011691).

200210121121001 is a wasteful number, since it uses less digits than its factorization.

200210121121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127011690.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 200210121121001 its reverse (100121121012002), we get a palindrome (300331242133003).

The spelling of 200210121121001 in words is "two hundred trillion, two hundred ten billion, one hundred twenty-one million, one hundred twenty-one thousand, one".