10021121212002 has 8 divisors (see below), whose sum is σ = 20042242424016. Its totient is φ = 3340373737332.

The previous prime is 10021121211991. The next prime is 10021121212007. The reversal of 10021121212002 is 20021212112001.

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

10021121212002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (10021121212007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 835093434328 + ... + 835093434339.

It is an arithmetic number, because the mean of its divisors is an integer number (2505280303002).

Almost surely, 2^{10021121212002} is an apocalyptic number.

10021121212002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10021121212002 is a wasteful number, since it uses less digits than its factorization.

10021121212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670186868672.

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

Adding to 10021121212002 its reverse (20021212112001), we get a palindrome (30042333324003).

The spelling of 10021121212002 in words is "ten trillion, twenty-one billion, one hundred twenty-one million, two hundred twelve thousand, two".