10102121111087 has 2 divisors, whose sum is σ = 10102121111088. Its totient is φ = 10102121111086.

The previous prime is 10102121111009. The next prime is 10102121111129. The reversal of 10102121111087 is 78011112120101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10102121111087 - 2¹² = 10102121106991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10102121191087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051060555543 + 5051060555544.

It is an arithmetic number, because the mean of its divisors is an integer number (5051060555544).

Almost surely, 2^{10102121111087} is an apocalyptic number.

10102121111087 is a deficient number, since it is larger than the sum of its proper divisors (1).

10102121111087 is an equidigital number, since it uses as much as digits as its factorization.

10102121111087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 26.

Adding to 10102121111087 its reverse (78011112120101), we get a palindrome (88113233231188).

The spelling of 10102121111087 in words is "ten trillion, one hundred two billion, one hundred twenty-one million, one hundred eleven thousand, eighty-seven".