2001102122087 has 2 divisors, whose sum is σ = 2001102122088. Its totient is φ = 2001102122086.

The previous prime is 2001102122029. The next prime is 2001102122161. The reversal of 2001102122087 is 7802212011002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2001102122087 - 2⁸ = 2001102121831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001102172087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000551061043 + 1000551061044.

It is an arithmetic number, because the mean of its divisors is an integer number (1000551061044).

Almost surely, 2^{2001102122087} is an apocalyptic number.

2001102122087 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001102122087 is an equidigital number, since it uses as much as digits as its factorization.

2001102122087 is an odious number, because the sum of its binary digits is odd.

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

Adding to 2001102122087 its reverse (7802212011002), we get a palindrome (9803314133089).

The spelling of 2001102122087 in words is "two trillion, one billion, one hundred two million, one hundred twenty-two thousand, eighty-seven".