121222023221011 has 2 divisors, whose sum is σ = 121222023221012. Its totient is φ = 121222023221010.

The previous prime is 121222023221003. The next prime is 121222023221041. The reversal of 121222023221011 is 110122320222121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121222023221011 - 2³ = 121222023221003 is a prime.

It is not a weakly prime, because it can be changed into another prime (121222023221041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60611011610505 + 60611011610506.

It is an arithmetic number, because the mean of its divisors is an integer number (60611011610506).

Almost surely, 2^{121222023221011} is an apocalyptic number.

121222023221011 is a deficient number, since it is larger than the sum of its proper divisors (1).

121222023221011 is an equidigital number, since it uses as much as digits as its factorization.

121222023221011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 121222023221011 its reverse (110122320222121), we get a palindrome (231344343443132).

The spelling of 121222023221011 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, twenty-three million, two hundred twenty-one thousand, eleven".