10002011112121 has 8 divisors (see below), whose sum is σ = 11431755304704. Its totient is φ = 8572488285120.

The previous prime is 10002011112109. The next prime is 10002011112179. The reversal of 10002011112121 is 12121111020001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10002011112121 - 2¹⁵ = 10002011079353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10002011113121) 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, 55244560 + ... + 55425313.

It is an arithmetic number, because the mean of its divisors is an integer number (1428969413088).

Almost surely, 2^{10002011112121} is an apocalyptic number.

It is an amenable number.

10002011112121 is a deficient number, since it is larger than the sum of its proper divisors (1429744192583).

10002011112121 is a wasteful number, since it uses less digits than its factorization.

10002011112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110682791.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10002011112121 its reverse (12121111020001), we get a palindrome (22123122132122).

The spelling of 10002011112121 in words is "ten trillion, two billion, eleven million, one hundred twelve thousand, one hundred twenty-one".