101201121220987 has 2 divisors, whose sum is σ = 101201121220988. Its totient is φ = 101201121220986.

The previous prime is 101201121220973. The next prime is 101201121221023. The reversal of 101201121220987 is 789022121102101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101201121220987 is a prime.

It is not a weakly prime, because it can be changed into another prime (101201151220987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50600560610493 + 50600560610494.

It is an arithmetic number, because the mean of its divisors is an integer number (50600560610494).

Almost surely, 2^{101201121220987} is an apocalyptic number.

101201121220987 is a deficient number, since it is larger than the sum of its proper divisors (1).

101201121220987 is an equidigital number, since it uses as much as digits as its factorization.

101201121220987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 37.

The spelling of 101201121220987 in words is "one hundred one trillion, two hundred one billion, one hundred twenty-one million, two hundred twenty thousand, nine hundred eighty-seven".