200122022011 has 4 divisors (see below), whose sum is σ = 200132556624. Its totient is φ = 200111487400.

The previous prime is 200122021993. The next prime is 200122022021. The reversal of 200122022011 is 110220221002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 200122022011 - 2¹¹ = 200122019963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200122021982 and 200122022000.

It is not an unprimeable number, because it can be changed into a prime (200122022021) 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, 5238760 + ... + 5276821.

It is an arithmetic number, because the mean of its divisors is an integer number (50033139156).

Almost surely, 2^200122022011 is an apocalyptic number.

200122022011 is a deficient number, since it is larger than the sum of its proper divisors (10534613).

200122022011 is a wasteful number, since it uses less digits than its factorization.

200122022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10534612.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200122022011 its reverse (110220221002), we get a palindrome (310342243013).

The spelling of 200122022011 in words is "two hundred billion, one hundred twenty-two million, twenty-two thousand, eleven".