121102021002163 has 2 divisors, whose sum is σ = 121102021002164. Its totient is φ = 121102021002162.

The previous prime is 121102021002119. The next prime is 121102021002239. The reversal of 121102021002163 is 361200120201121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121102021002163 is a prime.

It is not a weakly prime, because it can be changed into another prime (121102021002113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60551010501081 + 60551010501082.

It is an arithmetic number, because the mean of its divisors is an integer number (60551010501082).

Almost surely, 2^{121102021002163} is an apocalyptic number.

121102021002163 is a deficient number, since it is larger than the sum of its proper divisors (1).

121102021002163 is an equidigital number, since it uses as much as digits as its factorization.

121102021002163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 121102021002163 its reverse (361200120201121), we get a palindrome (482302141203284).

The spelling of 121102021002163 in words is "one hundred twenty-one trillion, one hundred two billion, twenty-one million, two thousand, one hundred sixty-three".