102121111007 has 2 divisors, whose sum is σ = 102121111008. Its totient is φ = 102121111006.

The previous prime is 102121110967. The next prime is 102121111019. The reversal of 102121111007 is 700111121201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102121111007 - 2⁶ = 102121110943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102121111507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060555503 + 51060555504.

It is an arithmetic number, because the mean of its divisors is an integer number (51060555504).

Almost surely, 2^102121111007 is an apocalyptic number.

102121111007 is a deficient number, since it is larger than the sum of its proper divisors (1).

102121111007 is an equidigital number, since it uses as much as digits as its factorization.

102121111007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 17.

Adding to 102121111007 its reverse (700111121201), we get a palindrome (802232232208).

The spelling of 102121111007 in words is "one hundred two billion, one hundred twenty-one million, one hundred eleven thousand, seven".