100221032102 has 4 divisors (see below), whose sum is σ = 150331548156. Its totient is φ = 50110516050.

The previous prime is 100221032101. The next prime is 100221032113. The reversal of 100221032102 is 201230122001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×100221032102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100221032101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25055258024 + ... + 25055258027.

It is an arithmetic number, because the mean of its divisors is an integer number (37582887039).

Almost surely, 2^100221032102 is an apocalyptic number.

100221032102 is a deficient number, since it is larger than the sum of its proper divisors (50110516054).

100221032102 is an equidigital number, since it uses as much as digits as its factorization.

100221032102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50110516053.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 100221032102 its reverse (201230122001), we get a palindrome (301451154103).

The spelling of 100221032102 in words is "one hundred billion, two hundred twenty-one million, thirty-two thousand, one hundred two".