10010111000121 has 12 divisors (see below), whose sum is σ = 14461939363248. Its totient is φ = 6672073422264.

The previous prime is 10010111000119. The next prime is 10010111000137. The reversal of 10010111000121 is 12100011101001.

It is not a de Polignac number, because 10010111000121 - 2¹ = 10010111000119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10010111000521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111111735 + ... + 111201788.

It is an arithmetic number, because the mean of its divisors is an integer number (1205161613604).

Almost surely, 2^{10010111000121} is an apocalyptic number.

It is an amenable number.

10010111000121 is a deficient number, since it is larger than the sum of its proper divisors (4451828363127).

10010111000121 is a wasteful number, since it uses less digits than its factorization.

10010111000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222318532 (or 222318529 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 10010111000121 its reverse (12100011101001), we get a palindrome (22110122101122).

The spelling of 10010111000121 in words is "ten trillion, ten billion, one hundred eleven million, one hundred twenty-one", and thus it is an aban number.