101202020987 has 8 divisors (see below), whose sum is σ = 106067321856. Its totient is φ = 96375487912.

The previous prime is 101202020981. The next prime is 101202021121. The reversal of 101202020987 is 789020202101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101202020987 - 2⁶ = 101202020923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101202020981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9686603 + ... + 9697044.

It is an arithmetic number, because the mean of its divisors is an integer number (13258415232).

Almost surely, 2^101202020987 is an apocalyptic number.

101202020987 is a deficient number, since it is larger than the sum of its proper divisors (4865300869).

101202020987 is a wasteful number, since it uses less digits than its factorization.

101202020987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19383897.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 101202020987 in words is "one hundred one billion, two hundred two million, twenty thousand, nine hundred eighty-seven".