10202121112001 has 16 divisors (see below), whose sum is σ = 12615966050688. Its totient is φ = 8033751936000.

The previous prime is 10202121111979. The next prime is 10202121112037. The reversal of 10202121112001 is 10021112120201.

It is not a de Polignac number, because 10202121112001 - 2¹⁸ = 10202120849857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10202121112091) 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, 265647200 + ... + 265685601.

It is an arithmetic number, because the mean of its divisors is an integer number (788497878168).

Almost surely, 2^{10202121112001} is an apocalyptic number.

It is an amenable number.

10202121112001 is a deficient number, since it is larger than the sum of its proper divisors (2413844938687).

10202121112001 is a wasteful number, since it uses less digits than its factorization.

10202121112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531333032.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10202121112001 its reverse (10021112120201), we get a palindrome (20223233232202).

The spelling of 10202121112001 in words is "ten trillion, two hundred two billion, one hundred twenty-one million, one hundred twelve thousand, one".