101123221102 has 4 divisors (see below), whose sum is σ = 151684831656. Its totient is φ = 50561610550.

The previous prime is 101123221099. The next prime is 101123221123. The reversal of 101123221102 is 201122321101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201122321101 = 13 ⋅15470947777.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25280805274 + ... + 25280805277.

It is an arithmetic number, because the mean of its divisors is an integer number (37921207914).

Almost surely, 2^101123221102 is an apocalyptic number.

101123221102 is a deficient number, since it is larger than the sum of its proper divisors (50561610554).

101123221102 is an equidigital number, since it uses as much as digits as its factorization.

101123221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50561610553.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 101123221102 its reverse (201122321101), we get a palindrome (302245542203).

Subtracting 101123221102 from its reverse (201122321101), we obtain a palindrome (99999099999).

The spelling of 101123221102 in words is "one hundred one billion, one hundred twenty-three million, two hundred twenty-one thousand, one hundred two".