101221101012211 has 16 divisors (see below), whose sum is σ = 107430795808128. Its totient is φ = 95039984793600.

The previous prime is 101221101012193. The next prime is 101221101012221. The reversal of 101221101012211 is 112210101122101.

It is not a de Polignac number, because 101221101012211 - 2⁵ = 101221101012179 is a prime.

It is a super-2 number, since 2×101221101012211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101221101012221) 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, 14266411 + ... + 20148763.

It is an arithmetic number, because the mean of its divisors is an integer number (6714424738008).

Almost surely, 2^{101221101012211} is an apocalyptic number.

101221101012211 is a deficient number, since it is larger than the sum of its proper divisors (6209694795917).

101221101012211 is a wasteful number, since it uses less digits than its factorization.

101221101012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5884782.

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

Adding to 101221101012211 its reverse (112210101122101), we get a palindrome (213431202134312).

The spelling of 101221101012211 in words is "one hundred one trillion, two hundred twenty-one billion, one hundred one million, twelve thousand, two hundred eleven".