200202021011 has 4 divisors (see below), whose sum is σ = 200203262952. Its totient is φ = 200200779072.

The previous prime is 200202020989. The next prime is 200202021037. The reversal of 200202021011 is 110120202002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110120202002 = 2 ⋅55060101001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200202021011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200202020983 and 200202021001.

It is not an unprimeable number, because it can be changed into a prime (200202021091) 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, 335390 + ... + 716163.

It is an arithmetic number, because the mean of its divisors is an integer number (50050815738).

Almost surely, 2^200202021011 is an apocalyptic number.

200202021011 is a deficient number, since it is larger than the sum of its proper divisors (1241941).

200202021011 is a wasteful number, since it uses less digits than its factorization.

200202021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241940.

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

Adding to 200202021011 its reverse (110120202002), we get a palindrome (310322223013).

The spelling of 200202021011 in words is "two hundred billion, two hundred two million, twenty-one thousand, eleven".