10021220011211 has 32 divisors (see below), whose sum is σ = 10802830705920. Its totient is φ = 9268584624000.

The previous prime is 10021220011183. The next prime is 10021220011223. The reversal of 10021220011211 is 11211002212001.

10021220011211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10021220011211 - 2²² = 10021215816907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10021220016211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39341120 + ... + 39595026.

It is an arithmetic number, because the mean of its divisors is an integer number (337588459560).

Almost surely, 2^{10021220011211} is an apocalyptic number.

10021220011211 is a deficient number, since it is larger than the sum of its proper divisors (781610694709).

10021220011211 is a wasteful number, since it uses less digits than its factorization.

10021220011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254315.

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

Adding to 10021220011211 its reverse (11211002212001), we get a palindrome (21232222223212).

The spelling of 10021220011211 in words is "ten trillion, twenty-one billion, two hundred twenty million, eleven thousand, two hundred eleven".