200102023021121 has 8 divisors (see below), whose sum is σ = 222925330687080. Its totient is φ = 178340264548992.

The previous prime is 200102023021099. The next prime is 200102023021133. The reversal of 200102023021121 is 121120320201002.

It can be written as a sum of positive squares in 4 ways, for example, as 898156139521 + 199203866881600 = 947711^2 + 14113960^2 .

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

It is not a de Polignac number, because 200102023021121 - 2⁴² = 195703976510017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200102023021121.

It is not an unprimeable number, because it can be changed into a prime (200102023021141) 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, 265387298060 + ... + 265387298813.

It is an arithmetic number, because the mean of its divisors is an integer number (27865666335885).

Almost surely, 2^{200102023021121} is an apocalyptic number.

It is an amenable number.

200102023021121 is a deficient number, since it is larger than the sum of its proper divisors (22823307665959).

200102023021121 is a wasteful number, since it uses less digits than its factorization.

200102023021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530774596915.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 200102023021121 its reverse (121120320201002), we get a palindrome (321222343222123).

The spelling of 200102023021121 in words is "two hundred trillion, one hundred two billion, twenty-three million, twenty-one thousand, one hundred twenty-one".