10012002102121 has 16 divisors (see below), whose sum is σ = 10597614139840. Its totient is φ = 9432260861760.

The previous prime is 10012002102119. The next prime is 10012002102131. The reversal of 10012002102121 is 12120120021001.

It is a cyclic number.

It is not a de Polignac number, because 10012002102121 - 2¹ = 10012002102119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10012002102101) 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, 115138966 + ... + 115225888.

It is an arithmetic number, because the mean of its divisors is an integer number (662350883740).

Almost surely, 2^{10012002102121} is an apocalyptic number.

It is an amenable number.

10012002102121 is a deficient number, since it is larger than the sum of its proper divisors (585612037719).

10012002102121 is a wasteful number, since it uses less digits than its factorization.

10012002102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120616.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10012002102121 its reverse (12120120021001), we get a palindrome (22132122123122).

The spelling of 10012002102121 in words is "ten trillion, twelve billion, two million, one hundred two thousand, one hundred twenty-one".