10202121212001 has 16 divisors (see below), whose sum is σ = 13653277727424. Its totient is φ = 6776221742784.

The previous prime is 10202121211999. The next prime is 10202121212027. The reversal of 10202121212001 is 10021212120201.

10202121212001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10202121212001 - 2¹ = 10202121211999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10202121213001) 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, 2776966 + ... + 5302431.

It is an arithmetic number, because the mean of its divisors is an integer number (853329857964).

Almost surely, 2^{10202121212001} is an apocalyptic number.

It is an amenable number.

10202121212001 is a deficient number, since it is larger than the sum of its proper divisors (3451156515423).

10202121212001 is a wasteful number, since it uses less digits than its factorization.

10202121212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8080960.

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

Adding to 10202121212001 its reverse (10021212120201), we get a palindrome (20223333332202).

The spelling of 10202121212001 in words is "ten trillion, two hundred two billion, one hundred twenty-one million, two hundred twelve thousand, one".