202022101221011 has 4 divisors (see below), whose sum is σ = 205833838979952. Its totient is φ = 198210363462072.

The previous prime is 202022101220977. The next prime is 202022101221047. The reversal of 202022101221011 is 110122101220202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202022101221011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202022101221911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1905868879391 + ... + 1905868879496.

It is an arithmetic number, because the mean of its divisors is an integer number (51458459744988).

Almost surely, 2^{202022101221011} is an apocalyptic number.

202022101221011 is a deficient number, since it is larger than the sum of its proper divisors (3811737758941).

202022101221011 is an equidigital number, since it uses as much as digits as its factorization.

202022101221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3811737758940.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202022101221011 its reverse (110122101220202), we get a palindrome (312144202441213).

The spelling of 202022101221011 in words is "two hundred two trillion, twenty-two billion, one hundred one million, two hundred twenty-one thousand, eleven".