221011102101 has 8 divisors (see below), whose sum is σ = 294755100640. Its totient is φ = 147303919152.

The previous prime is 221011102061. The next prime is 221011102127. The reversal of 221011102101 is 101201110122.

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

It is not a de Polignac number, because 221011102101 - 2¹⁷ = 221010971029 is a prime.

It is a super-2 number, since 2×221011102101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221010102101) 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, 9189886 + ... + 9213903.

It is an arithmetic number, because the mean of its divisors is an integer number (36844387580).

Almost surely, 2^221011102101 is an apocalyptic number.

It is an amenable number.

221011102101 is a deficient number, since it is larger than the sum of its proper divisors (73743998539).

221011102101 is a wasteful number, since it uses less digits than its factorization.

221011102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18407795.

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

Adding to 221011102101 its reverse (101201110122), we get a palindrome (322212212223).

The spelling of 221011102101 in words is "two hundred twenty-one billion, eleven million, one hundred two thousand, one hundred one".