101221202211 has 16 divisors (see below), whose sum is σ = 135240066720. Its totient is φ = 67341657600.

The previous prime is 101221202191. The next prime is 101221202233. The reversal of 101221202211 is 112202122101.

It is not a de Polignac number, because 101221202211 - 2⁷ = 101221202083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101221202261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5521761 + ... + 5540061.

It is an arithmetic number, because the mean of its divisors is an integer number (8452504170).

Almost surely, 2^101221202211 is an apocalyptic number.

101221202211 is a deficient number, since it is larger than the sum of its proper divisors (34018864509).

101221202211 is a wasteful number, since it uses less digits than its factorization.

101221202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22006.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101221202211 its reverse (112202122101), we get a palindrome (213423324312).

The spelling of 101221202211 in words is "one hundred one billion, two hundred twenty-one million, two hundred two thousand, two hundred eleven".