10021121121201 has 8 divisors (see below), whose sum is σ = 13429319675904. Its totient is φ = 6646834990320.

The previous prime is 10021121121191. The next prime is 10021121121217. The reversal of 10021121121201 is 10212112112001.

It is a happy number.

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

It is not a de Polignac number, because 10021121121201 - 2¹¹ = 10021121119153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10021121121251) 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, 8478105265 + ... + 8478106446.

It is an arithmetic number, because the mean of its divisors is an integer number (1678664959488).

Almost surely, 2^{10021121121201} is an apocalyptic number.

It is an amenable number.

10021121121201 is a deficient number, since it is larger than the sum of its proper divisors (3408198554703).

10021121121201 is a wasteful number, since it uses less digits than its factorization.

10021121121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16956211911.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10021121121201 its reverse (10212112112001), we get a palindrome (20233233233202).

The spelling of 10021121121201 in words is "ten trillion, twenty-one billion, one hundred twenty-one million, one hundred twenty-one thousand, two hundred one".