101011002121187 has 2 divisors, whose sum is σ = 101011002121188. Its totient is φ = 101011002121186.

The previous prime is 101011002121181. The next prime is 101011002121223. The reversal of 101011002121187 is 781121200110101.

It is a weak prime.

It is an emirp because it is prime and its reverse (781121200110101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101011002121187 - 2⁴ = 101011002121171 is a prime.

It is a super-2 number, since 2×101011002121187² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101011002121181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505501060593 + 50505501060594.

It is an arithmetic number, because the mean of its divisors is an integer number (50505501060594).

Almost surely, 2^{101011002121187} is an apocalyptic number.

101011002121187 is a deficient number, since it is larger than the sum of its proper divisors (1).

101011002121187 is an equidigital number, since it uses as much as digits as its factorization.

101011002121187 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 26.

Adding to 101011002121187 its reverse (781121200110101), we get a palindrome (882132202231288).

The spelling of 101011002121187 in words is "one hundred one trillion, eleven billion, two million, one hundred twenty-one thousand, one hundred eighty-seven".