10021111212201 has 32 divisors (see below), whose sum is σ = 14322907600128. Its totient is φ = 6215970182400.

The previous prime is 10021111212179. The next prime is 10021111212209. The reversal of 10021111212201 is 10221211112001.

It is a happy number.

It is not a de Polignac number, because 10021111212201 - 2¹⁷ = 10021111081129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10021111212209) 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 31 ways as a sum of consecutive naturals, for example, 9499051 + ... + 10501151.

It is an arithmetic number, because the mean of its divisors is an integer number (447590862504).

Almost surely, 2^{10021111212201} is an apocalyptic number.

It is an amenable number.

10021111212201 is a deficient number, since it is larger than the sum of its proper divisors (4301796387927).

10021111212201 is a wasteful number, since it uses less digits than its factorization.

10021111212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006081.

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

Adding to 10021111212201 its reverse (10221211112001), we get a palindrome (20242322324202).

The spelling of 10021111212201 in words is "ten trillion, twenty-one billion, one hundred eleven million, two hundred twelve thousand, two hundred one".