101220201211 has 32 divisors (see below), whose sum is σ = 111702689280. Its totient is φ = 91304755200.

The previous prime is 101220201179. The next prime is 101220201233. The reversal of 101220201211 is 112102022101.

It is a cyclic number.

It is not a de Polignac number, because 101220201211 - 2⁵ = 101220201179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101220201191 and 101220201200.

It is not an unprimeable number, because it can be changed into a prime (101220201911) 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, 24512395 + ... + 24516523.

It is an arithmetic number, because the mean of its divisors is an integer number (3490709040).

Almost surely, 2^101220201211 is an apocalyptic number.

101220201211 is a deficient number, since it is larger than the sum of its proper divisors (10482488069).

101220201211 is a wasteful number, since it uses less digits than its factorization.

101220201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4615.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101220201211 its reverse (112102022101), we get a palindrome (213322223312).

The spelling of 101220201211 in words is "one hundred one billion, two hundred twenty million, two hundred one thousand, two hundred eleven".