100120210111087 has 2 divisors, whose sum is σ = 100120210111088. Its totient is φ = 100120210111086.

The previous prime is 100120210111067. The next prime is 100120210111139. The reversal of 100120210111087 is 780111012021001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100120210111087 is a prime.

It is a super-3 number, since 3×100120210111087³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100120210111027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060105055543 + 50060105055544.

It is an arithmetic number, because the mean of its divisors is an integer number (50060105055544).

Almost surely, 2^{100120210111087} is an apocalyptic number.

100120210111087 is a deficient number, since it is larger than the sum of its proper divisors (1).

100120210111087 is an equidigital number, since it uses as much as digits as its factorization.

100120210111087 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 100120210111087 its reverse (780111012021001), we get a palindrome (880231222132088).

The spelling of 100120210111087 in words is "one hundred trillion, one hundred twenty billion, two hundred ten million, one hundred eleven thousand, eighty-seven".