221102102120101 has 8 divisors (see below), whose sum is σ = 230760062305344. Its totient is φ = 211447877377440.

The previous prime is 221102102120093. The next prime is 221102102120113. The reversal of 221102102120101 is 101021201201122.

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 221102102120101 - 2³ = 221102102120093 is a prime.

It is a super-2 number, since 2×221102102120101² (a number of 29 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 (221102102120131) 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, 933739680 + ... + 933976441.

It is an arithmetic number, because the mean of its divisors is an integer number (28845007788168).

Almost surely, 2^{221102102120101} is an apocalyptic number.

It is an amenable number.

221102102120101 is a deficient number, since it is larger than the sum of its proper divisors (9657960185243).

221102102120101 is a wasteful number, since it uses less digits than its factorization.

221102102120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867721291.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 221102102120101 its reverse (101021201201122), we get a palindrome (322123303321223).

The spelling of 221102102120101 in words is "two hundred twenty-one trillion, one hundred two billion, one hundred two million, one hundred twenty thousand, one hundred one".