10201221212011 has 4 divisors (see below), whose sum is σ = 10201245486624. Its totient is φ = 10201196937400.

The previous prime is 10201221211999. The next prime is 10201221212033. The reversal of 10201221212011 is 11021212210201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10201221212011 - 2²⁷ = 10201086994283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10201221212411) 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, 11495635 + ... + 12351196.

It is an arithmetic number, because the mean of its divisors is an integer number (2550311371656).

Almost surely, 2^{10201221212011} is an apocalyptic number.

10201221212011 is a deficient number, since it is larger than the sum of its proper divisors (24274613).

10201221212011 is an equidigital number, since it uses as much as digits as its factorization.

10201221212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24274612.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10201221212011 its reverse (11021212210201), we get a palindrome (21222433422212).

The spelling of 10201221212011 in words is "ten trillion, two hundred one billion, two hundred twenty-one million, two hundred twelve thousand, eleven".