202022122011 has 4 divisors (see below), whose sum is σ = 269362829352. Its totient is φ = 134681414672.

The previous prime is 202022122007. The next prime is 202022122069. The reversal of 202022122011 is 110221220202.

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 202022122011 - 2² = 202022122007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202022122711) 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, 33670353666 + ... + 33670353671.

It is an arithmetic number, because the mean of its divisors is an integer number (67340707338).

Almost surely, 2^202022122011 is an apocalyptic number.

202022122011 is a deficient number, since it is larger than the sum of its proper divisors (67340707341).

202022122011 is an equidigital number, since it uses as much as digits as its factorization.

202022122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67340707340.

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

Adding to 202022122011 its reverse (110221220202), we get a palindrome (312243342213).

The spelling of 202022122011 in words is "two hundred two billion, twenty-two million, one hundred twenty-two thousand, eleven".