100100021102 has 4 divisors (see below), whose sum is σ = 150150031656. Its totient is φ = 50050010550.

The previous prime is 100100021083. The next prime is 100100021107. The reversal of 100100021102 is 201120001001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201120001001 = 3797 ⋅52968133.

It is a self number, because there is not a number n which added to its sum of digits gives 100100021102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100100021107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25025005274 + ... + 25025005277.

It is an arithmetic number, because the mean of its divisors is an integer number (37537507914).

Almost surely, 2^100100021102 is an apocalyptic number.

100100021102 is a deficient number, since it is larger than the sum of its proper divisors (50050010554).

100100021102 is an equidigital number, since it uses as much as digits as its factorization.

100100021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50050010553.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 100100021102 its reverse (201120001001), we get a palindrome (301220022103).

The spelling of 100100021102 in words is "one hundred billion, one hundred million, twenty-one thousand, one hundred two".