101222111987 has 8 divisors (see below), whose sum is σ = 102298323120. Its totient is φ = 100150872480.

The previous prime is 101222111941. The next prime is 101222112007. The reversal of 101222111987 is 789111222101.

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 101222111987 - 2¹⁸ = 101221849843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101222110987) 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, 1201964 + ... + 1283417.

It is an arithmetic number, because the mean of its divisors is an integer number (12787290390).

Almost surely, 2^101222111987 is an apocalyptic number.

101222111987 is a deficient number, since it is larger than the sum of its proper divisors (1076211133).

101222111987 is a wasteful number, since it uses less digits than its factorization.

101222111987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485813.

The product of its (nonzero) digits is 4032, while the sum is 35.

The spelling of 101222111987 in words is "one hundred one billion, two hundred twenty-two million, one hundred eleven thousand, nine hundred eighty-seven".