200122021001 has 8 divisors (see below), whose sum is σ = 228713882880. Its totient is φ = 171530909568.

The previous prime is 200122020991. The next prime is 200122021003. The reversal of 200122021001 is 100120221002.

It is a happy number.

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 200122021001 - 2¹⁸ = 200121758857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200122021003) 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, 609785 + ... + 878681.

It is an arithmetic number, because the mean of its divisors is an integer number (28589235360).

Almost surely, 2^200122021001 is an apocalyptic number.

It is an amenable number.

200122021001 is a deficient number, since it is larger than the sum of its proper divisors (28591861879).

200122021001 is a wasteful number, since it uses less digits than its factorization.

200122021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375223.

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

Adding to 200122021001 its reverse (100120221002), we get a palindrome (300242242003).

The spelling of 200122021001 in words is "two hundred billion, one hundred twenty-two million, twenty-one thousand, one".