10000012011121 has 8 divisors (see below), whose sum is σ = 10915532496864. Its totient is φ = 9085562939520.

The previous prime is 10000012011043. The next prime is 10000012011133. The reversal of 10000012011121 is 12111021000001.

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 10000012011121 - 2⁷ = 10000012010993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10000012011098 and 10000012011107.

It is not an unprimeable number, because it can be changed into a prime (10000012015121) 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, 267834015 + ... + 267871348.

It is an arithmetic number, because the mean of its divisors is an integer number (1364441562108).

Almost surely, 2^{10000012011121} is an apocalyptic number.

10000012011121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10000012011121 is a deficient number, since it is larger than the sum of its proper divisors (915520485743).

10000012011121 is a wasteful number, since it uses less digits than its factorization.

10000012011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535707071.

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

Adding to 10000012011121 its reverse (12111021000001), we get a palindrome (22111033011122).

It can be divided in two parts, 100000 and 12011121, that added together give a palindrome (12111121).

The spelling of 10000012011121 in words is "ten trillion, twelve million, eleven thousand, one hundred twenty-one".