202220122121011 has 2 divisors, whose sum is σ = 202220122121012. Its totient is φ = 202220122121010.

The previous prime is 202220122120997. The next prime is 202220122121051. The reversal of 202220122121011 is 110121221022202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202220122121011 - 2¹³ = 202220122112819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202220122121011.

It is not a weakly prime, because it can be changed into another prime (202220122121051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101110061060505 + 101110061060506.

It is an arithmetic number, because the mean of its divisors is an integer number (101110061060506).

Almost surely, 2^{202220122121011} is an apocalyptic number.

202220122121011 is a deficient number, since it is larger than the sum of its proper divisors (1).

202220122121011 is an equidigital number, since it uses as much as digits as its factorization.

202220122121011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 202220122121011 its reverse (110121221022202), we get a palindrome (312341343143213).

The spelling of 202220122121011 in words is "two hundred two trillion, two hundred twenty billion, one hundred twenty-two million, one hundred twenty-one thousand, eleven".