101121220211 has 8 divisors (see below), whose sum is σ = 110447137200. Its totient is φ = 91817483040.

The previous prime is 101121220201. The next prime is 101121220237. The reversal of 101121220211 is 112022121101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101121220211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101121220201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5535416 + ... + 5553653.

It is an arithmetic number, because the mean of its divisors is an integer number (13805892150).

Almost surely, 2^101121220211 is an apocalyptic number.

101121220211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101121220211 is a deficient number, since it is larger than the sum of its proper divisors (9325916989).

101121220211 is a wasteful number, since it uses less digits than its factorization.

101121220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11089909.

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

Adding to 101121220211 its reverse (112022121101), we get a palindrome (213143341312).

The spelling of 101121220211 in words is "one hundred one billion, one hundred twenty-one million, two hundred twenty thousand, two hundred eleven".