101221102011 has 8 divisors (see below), whose sum is σ = 135254229264. Its totient is φ = 67334354720.

The previous prime is 101221101997. The next prime is 101221102033. The reversal of 101221102011 is 110201122101.

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

It is a cyclic number.

It is not a de Polignac number, because 101221102011 - 2⁵ = 101221101979 is a prime.

It is a super-2 number, since 2×101221102011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101221102061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36593376 + ... + 36596141.

It is an arithmetic number, because the mean of its divisors is an integer number (16906778658).

Almost surely, 2^101221102011 is an apocalyptic number.

101221102011 is a deficient number, since it is larger than the sum of its proper divisors (34033127253).

101221102011 is an equidigital number, since it uses as much as digits as its factorization.

101221102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73189981.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101221102011 its reverse (110201122101), we get a palindrome (211422224112).

The spelling of 101221102011 in words is "one hundred one billion, two hundred twenty-one million, one hundred two thousand, eleven".