102200002210121 has 2 divisors, whose sum is σ = 102200002210122. Its totient is φ = 102200002210120.

The previous prime is 102200002210109. The next prime is 102200002210127. The reversal of 102200002210121 is 121012200002201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92418151726096 + 9781850484025 = 9613436^2 + 3127595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102200002210121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102200002210096 and 102200002210105.

It is not a weakly prime, because it can be changed into another prime (102200002210127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51100001105060 + 51100001105061.

It is an arithmetic number, because the mean of its divisors is an integer number (51100001105061).

Almost surely, 2^{102200002210121} is an apocalyptic number.

It is an amenable number.

102200002210121 is a deficient number, since it is larger than the sum of its proper divisors (1).

102200002210121 is an equidigital number, since it uses as much as digits as its factorization.

102200002210121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102200002210121 its reverse (121012200002201), we get a palindrome (223212202212322).

The spelling of 102200002210121 in words is "one hundred two trillion, two hundred billion, two million, two hundred ten thousand, one hundred twenty-one".