101442012001987 has 2 divisors, whose sum is σ = 101442012001988. Its totient is φ = 101442012001986.

The previous prime is 101442012001951. The next prime is 101442012002059. The reversal of 101442012001987 is 789100210244101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101442012001987 - 2³¹ = 101439864518339 is a prime.

It is a super-2 number, since 2×101442012001987² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101442012001387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50721006000993 + 50721006000994.

It is an arithmetic number, because the mean of its divisors is an integer number (50721006000994).

Almost surely, 2^{101442012001987} is an apocalyptic number.

101442012001987 is a deficient number, since it is larger than the sum of its proper divisors (1).

101442012001987 is an equidigital number, since it uses as much as digits as its factorization.

101442012001987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 40.

The spelling of 101442012001987 in words is "one hundred one trillion, four hundred forty-two billion, twelve million, one thousand, nine hundred eighty-seven".