101022111211 has 12 divisors (see below), whose sum is σ = 121306342080. Its totient is φ = 83797141680.

The previous prime is 101022111209. The next prime is 101022111217. The reversal of 101022111211 is 112111220101.

It is a happy number.

It is not a de Polignac number, because 101022111211 - 2¹ = 101022111209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101022111191 and 101022111200.

It is not an unprimeable number, because it can be changed into a prime (101022111217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33251316 + ... + 33254353.

It is an arithmetic number, because the mean of its divisors is an integer number (10108861840).

Almost surely, 2^101022111211 is an apocalyptic number.

101022111211 is a deficient number, since it is larger than the sum of its proper divisors (20284230869).

101022111211 is an equidigital number, since it uses as much as digits as its factorization.

101022111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66505714 (or 66505707 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101022111211 its reverse (112111220101), we get a palindrome (213133331312).

The spelling of 101022111211 in words is "one hundred one billion, twenty-two million, one hundred eleven thousand, two hundred eleven".