121022202013 has 2 divisors, whose sum is σ = 121022202014. Its totient is φ = 121022202012.

The previous prime is 121022201981. The next prime is 121022202023. The reversal of 121022202013 is 310202220121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118406186404 + 2616015609 = 344102^2 + 51147^2 .

It is a cyclic number.

It is not a de Polignac number, because 121022202013 - 2⁵ = 121022201981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121022202023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60511101006 + 60511101007.

It is an arithmetic number, because the mean of its divisors is an integer number (60511101007).

Almost surely, 2^121022202013 is an apocalyptic number.

It is an amenable number.

121022202013 is a deficient number, since it is larger than the sum of its proper divisors (1).

121022202013 is an equidigital number, since it uses as much as digits as its factorization.

121022202013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 121022202013 its reverse (310202220121), we get a palindrome (431224422134).

The spelling of 121022202013 in words is "one hundred twenty-one billion, twenty-two million, two hundred two thousand, thirteen".