202220121111011 has 4 divisors (see below), whose sum is σ = 202461146286000. Its totient is φ = 201979095936024.

The previous prime is 202220121110977. The next prime is 202220121111053. The reversal of 202220121111011 is 110111121022202.

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 202220121111011 - 2¹⁰ = 202220121109987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202220121111511) 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, 120512586236 + ... + 120512587913.

It is an arithmetic number, because the mean of its divisors is an integer number (50615286571500).

Almost surely, 2^{202220121111011} is an apocalyptic number.

202220121111011 is a deficient number, since it is larger than the sum of its proper divisors (241025174989).

202220121111011 is an equidigital number, since it uses as much as digits as its factorization.

202220121111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241025174988.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 202220121111011 its reverse (110111121022202), we get a palindrome (312331242133213).

The spelling of 202220121111011 in words is "two hundred two trillion, two hundred twenty billion, one hundred twenty-one million, one hundred eleven thousand, eleven".