202220021011 has 2 divisors, whose sum is σ = 202220021012. Its totient is φ = 202220021010.

The previous prime is 202220020999. The next prime is 202220021027. The reversal of 202220021011 is 110120022202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202220021011 - 2¹¹ = 202220018963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202220020982 and 202220021000.

It is not a weakly prime, because it can be changed into another prime (202220021051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101110010505 + 101110010506.

It is an arithmetic number, because the mean of its divisors is an integer number (101110010506).

Almost surely, 2^202220021011 is an apocalyptic number.

202220021011 is a deficient number, since it is larger than the sum of its proper divisors (1).

202220021011 is an equidigital number, since it uses as much as digits as its factorization.

202220021011 is an evil number, because the sum of its binary digits is even.

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

Adding to 202220021011 its reverse (110120022202), we get a palindrome (312340043213).

The spelling of 202220021011 in words is "two hundred two billion, two hundred twenty million, twenty-one thousand, eleven".