10121002111 has 8 divisors (see below), whose sum is σ = 11205886464. Its totient is φ = 9063583320.

The previous prime is 10121002097. The next prime is 10121002181. The reversal of 10121002111 is 11120012101.

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

It is not a de Polignac number, because 10121002111 - 2⁵ = 10121002079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121002181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6865615 + ... + 6867088.

It is an arithmetic number, because the mean of its divisors is an integer number (1400735808).

Almost surely, 2^10121002111 is an apocalyptic number.

10121002111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10121002111 is a deficient number, since it is larger than the sum of its proper divisors (1084884353).

10121002111 is a wasteful number, since it uses less digits than its factorization.

10121002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13732781.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10121002111 its reverse (11120012101), we get a palindrome (21241014212).

The spelling of 10121002111 in words is "ten billion, one hundred twenty-one million, two thousand, one hundred eleven".