10002111000121 has 16 divisors (see below), whose sum is σ = 10320804426240. Its totient is φ = 9687840583680.

The previous prime is 10002111000113. The next prime is 10002111000127. The reversal of 10002111000121 is 12100011120001.

It is a cyclic number.

It is not a de Polignac number, because 10002111000121 - 2³ = 10002111000113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10002111000098 and 10002111000107.

It is not an unprimeable number, because it can be changed into a prime (10002111000127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99842185 + ... + 99942313.

It is an arithmetic number, because the mean of its divisors is an integer number (645050276640).

Almost surely, 2^{10002111000121} is an apocalyptic number.

It is an amenable number.

10002111000121 is a deficient number, since it is larger than the sum of its proper divisors (318693426119).

10002111000121 is a wasteful number, since it uses less digits than its factorization.

10002111000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122184.

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

Adding to 10002111000121 its reverse (12100011120001), we get a palindrome (22102122120122).

The spelling of 10002111000121 in words is "ten trillion, two billion, one hundred eleven million, one hundred twenty-one", and thus it is an aban number.