202120222011 has 8 divisors (see below), whose sum is σ = 276777241104. Its totient is φ = 131105008800.

The previous prime is 202120222009. The next prime is 202120222019. The reversal of 202120222011 is 110222021202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 202120222011 - 2¹ = 202120222009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202120222019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 910451340 + ... + 910451561.

It is an arithmetic number, because the mean of its divisors is an integer number (34597155138).

Almost surely, 2^202120222011 is an apocalyptic number.

202120222011 is a deficient number, since it is larger than the sum of its proper divisors (74657019093).

202120222011 is a wasteful number, since it uses less digits than its factorization.

202120222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820902941.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202120222011 its reverse (110222021202), we get a palindrome (312342243213).

The spelling of 202120222011 in words is "two hundred two billion, one hundred twenty million, two hundred twenty-two thousand, eleven".