10002011222121 has 8 divisors (see below), whose sum is σ = 13337068993920. Its totient is φ = 6667480465872.

The previous prime is 10002011222087. The next prime is 10002011222167. The reversal of 10002011222121 is 12122211020001.

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

It is not a de Polignac number, because 10002011222121 - 2²³ = 10002002833513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10002011222121.

It is not an unprimeable number, because it can be changed into a prime (10002011222521) 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, 131709601 + ... + 131785518.

It is an arithmetic number, because the mean of its divisors is an integer number (1667133624240).

Almost surely, 2^{10002011222121} is an apocalyptic number.

It is an amenable number.

10002011222121 is a deficient number, since it is larger than the sum of its proper divisors (3335057771799).

10002011222121 is a wasteful number, since it uses less digits than its factorization.

10002011222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263507775.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10002011222121 its reverse (12122211020001), we get a palindrome (22124222242122).

The spelling of 10002011222121 in words is "ten trillion, two billion, eleven million, two hundred twenty-two thousand, one hundred twenty-one".