102121111002203 has 2 divisors, whose sum is σ = 102121111002204. Its totient is φ = 102121111002202.

The previous prime is 102121111002161. The next prime is 102121111002259. The reversal of 102121111002203 is 302200111121201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102121111002203 - 2⁸ = 102121111001947 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (102121111002263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060555501101 + 51060555501102.

It is an arithmetic number, because the mean of its divisors is an integer number (51060555501102).

Almost surely, 2^{102121111002203} is an apocalyptic number.

102121111002203 is a deficient number, since it is larger than the sum of its proper divisors (1).

102121111002203 is an equidigital number, since it uses as much as digits as its factorization.

102121111002203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 102121111002203 its reverse (302200111121201), we get a palindrome (404321222123404).

The spelling of 102121111002203 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred eleven million, two thousand, two hundred three".