101945249116 has 12 divisors (see below), whose sum is σ = 179300690800. Its totient is φ = 50716480320.

The previous prime is 101945249099. The next prime is 101945249117. The reversal of 101945249116 is 611942549101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101945249117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64035165 + ... + 64036756.

Almost surely, 2^101945249116 is an apocalyptic number.

It is an amenable number.

101945249116 is a deficient number, since it is larger than the sum of its proper divisors (77355441684).

101945249116 is a wasteful number, since it uses less digits than its factorization.

101945249116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128072124 (or 128072122 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 43.

The spelling of 101945249116 in words is "one hundred one billion, nine hundred forty-five million, two hundred forty-nine thousand, one hundred sixteen".