101101111221 has 8 divisors (see below), whose sum is σ = 147056161824. Its totient is φ = 61273400720.

The previous prime is 101101111211. The next prime is 101101111259. The reversal of 101101111221 is 122111101101.

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 101101111221 - 2²² = 101096916917 is a prime.

It is a super-2 number, since 2×101101111221² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101101111197 and 101101111206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101101111211) 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, 1531834986 + ... + 1531835051.

It is an arithmetic number, because the mean of its divisors is an integer number (18382020228).

Almost surely, 2^101101111221 is an apocalyptic number.

101101111221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101101111221 is a deficient number, since it is larger than the sum of its proper divisors (45955050603).

101101111221 is a wasteful number, since it uses less digits than its factorization.

101101111221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3063670051.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 101101111221 its reverse (122111101101), we get a palindrome (223212212322).

The spelling of 101101111221 in words is "one hundred one billion, one hundred one million, one hundred eleven thousand, two hundred twenty-one".