10111021201087 has 2 divisors, whose sum is σ = 10111021201088. Its totient is φ = 10111021201086.

The previous prime is 10111021200967. The next prime is 10111021201207. The reversal of 10111021201087 is 78010212011101.

It is a balanced prime because it is at equal distance from previous prime (10111021200967) and next prime (10111021201207).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10111021201087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10111021207087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055510600543 + 5055510600544.

It is an arithmetic number, because the mean of its divisors is an integer number (5055510600544).

Almost surely, 2^{10111021201087} is an apocalyptic number.

10111021201087 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111021201087 is an equidigital number, since it uses as much as digits as its factorization.

10111021201087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 25.

Adding to 10111021201087 its reverse (78010212011101), we get a palindrome (88121233212188).

The spelling of 10111021201087 in words is "ten trillion, one hundred eleven billion, twenty-one million, two hundred one thousand, eighty-seven".