101002111 has 8 divisors (see below), whose sum is σ = 116030624. Its totient is φ = 86123520.

The previous prime is 101002103. The next prime is 101002127. The reversal of 101002111 is 111200101.

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

It is not a de Polignac number, because 101002111 - 2³ = 101002103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101002094 and 101002103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101042111) 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, 36030 + ... + 38731.

It is an arithmetic number, because the mean of its divisors is an integer number (14503828).

Almost surely, 2^101002111 is an apocalyptic number.

101002111 is a deficient number, since it is larger than the sum of its proper divisors (15028513).

101002111 is an equidigital number, since it uses as much as digits as its factorization.

101002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74961.

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 101002111 is about 10049.9806467475. The cubic root of 101002111 is about 465.7041952948.

Adding to 101002111 its reverse (111200101), we get a palindrome (212202212).

The spelling of 101002111 in words is "one hundred one million, two thousand, one hundred eleven".