2122101010987 has 2 divisors, whose sum is σ = 2122101010988. Its totient is φ = 2122101010986.

The previous prime is 2122101010957. The next prime is 2122101011021. The reversal of 2122101010987 is 7890101012212.

It is an a-pointer prime, because the next prime (2122101011021) can be obtained adding 2122101010987 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2122101010987 - 2²⁷ = 2121966793259 is a prime.

It is not a weakly prime, because it can be changed into another prime (2122101010957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061050505493 + 1061050505494.

It is an arithmetic number, because the mean of its divisors is an integer number (1061050505494).

Almost surely, 2^{2122101010987} is an apocalyptic number.

2122101010987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122101010987 is an equidigital number, since it uses as much as digits as its factorization.

2122101010987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 34.

The spelling of 2122101010987 in words is "two trillion, one hundred twenty-two billion, one hundred one million, ten thousand, nine hundred eighty-seven".