101391102 has 20 divisors (see below), whose sum is σ = 227191536. Its totient is φ = 33796980.

The previous prime is 101391083. The next prime is 101391113. The reversal of 101391102 is 201193101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 312774 + ... + 313097.

Almost surely, 2^101391102 is an apocalyptic number.

101391102 is an abundant number, since it is smaller than the sum of its proper divisors (125800434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101391102 is an equidigital number, since it uses as much as digits as its factorization.

101391102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625885 (or 625876 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 101391102 is about 10069.3148724230. The cubic root of 101391102 is about 466.3012873549.

The spelling of 101391102 in words is "one hundred one million, three hundred ninety-one thousand, one hundred two".