20101202002187 has 2 divisors, whose sum is σ = 20101202002188. Its totient is φ = 20101202002186.

The previous prime is 20101202002159. The next prime is 20101202002229. The reversal of 20101202002187 is 78120020210102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20101202002187 - 2²⁰ = 20101200953611 is a prime.

It is a super-3 number, since 3×20101202002187³ (a number of 41 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (20101202002157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050601001093 + 10050601001094.

It is an arithmetic number, because the mean of its divisors is an integer number (10050601001094).

Almost surely, 2^{20101202002187} is an apocalyptic number.

20101202002187 is a deficient number, since it is larger than the sum of its proper divisors (1).

20101202002187 is an equidigital number, since it uses as much as digits as its factorization.

20101202002187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 26.

Adding to 20101202002187 its reverse (78120020210102), we get a palindrome (98221222212289).

The spelling of 20101202002187 in words is "twenty trillion, one hundred one billion, two hundred two million, two thousand, one hundred eighty-seven".