10221201211011 has 16 divisors (see below), whose sum is σ = 15598726802688. Its totient is φ = 5831850261600.

The previous prime is 10221201211009. The next prime is 10221201211021. The reversal of 10221201211011 is 11011210212201.

It is a happy number.

10221201211011 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 10221201211011 - 2¹ = 10221201211009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10221201211021) 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, 368158485 + ... + 368186246.

It is an arithmetic number, because the mean of its divisors is an integer number (974920425168).

Almost surely, 2^{10221201211011} is an apocalyptic number.

10221201211011 is a deficient number, since it is larger than the sum of its proper divisors (5377525591677).

10221201211011 is an equidigital number, since it uses as much as digits as its factorization.

10221201211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736345402.

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

Adding to 10221201211011 its reverse (11011210212201), we get a palindrome (21232411423212).

The spelling of 10221201211011 in words is "ten trillion, two hundred twenty-one billion, two hundred one million, two hundred eleven thousand, eleven".