200102021121001 has 4 divisors (see below), whose sum is σ = 204755556495952. Its totient is φ = 195448485746052.

The previous prime is 200102021120933. The next prime is 200102021121019. The reversal of 200102021121001 is 100121120201002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200102021121001 - 2²³ = 200102012732393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200102021121601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2326767687411 + ... + 2326767687496.

It is an arithmetic number, because the mean of its divisors is an integer number (51188889123988).

Almost surely, 2^{200102021121001} is an apocalyptic number.

It is an amenable number.

200102021121001 is a deficient number, since it is larger than the sum of its proper divisors (4653535374951).

200102021121001 is an equidigital number, since it uses as much as digits as its factorization.

200102021121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4653535374950.

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

Adding to 200102021121001 its reverse (100121120201002), we get a palindrome (300223141322003).

The spelling of 200102021121001 in words is "two hundred trillion, one hundred two billion, twenty-one million, one hundred twenty-one thousand, one".