101121100989 has 16 divisors (see below), whose sum is σ = 139636224000. Its totient is φ = 65050427120.

The previous prime is 101121100963. The next prime is 101121101017. The reversal of 101121100989 is 989001121101.

It is a cyclic number.

It is not a de Polignac number, because 101121100989 - 2⁸ = 101121100733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101121100939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5040489 + ... + 5060510.

It is an arithmetic number, because the mean of its divisors is an integer number (8727264000).

Almost surely, 2^101121100989 is an apocalyptic number.

It is an amenable number.

101121100989 is a deficient number, since it is larger than the sum of its proper divisors (38515123011).

101121100989 is a wasteful number, since it uses less digits than its factorization.

101121100989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10101120.

The product of its (nonzero) digits is 1296, while the sum is 33.

The spelling of 101121100989 in words is "one hundred one billion, one hundred twenty-one million, one hundred thousand, nine hundred eighty-nine".