200121011011 has 8 divisors (see below), whose sum is σ = 202642949600. Its totient is φ = 197610207552.

The previous prime is 200121011003. The next prime is 200121011023. The reversal of 200121011011 is 110110121002.

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 200121011011 - 2³ = 200121011003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200121011411) 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, 2747610 + ... + 2819503.

It is an arithmetic number, because the mean of its divisors is an integer number (25330368700).

Almost surely, 2^200121011011 is an apocalyptic number.

200121011011 is a deficient number, since it is larger than the sum of its proper divisors (2521938589).

200121011011 is a wasteful number, since it uses less digits than its factorization.

200121011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5567565.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 200121011011 its reverse (110110121002), we get a palindrome (310231132013).

The spelling of 200121011011 in words is "two hundred billion, one hundred twenty-one million, eleven thousand, eleven".