100121102102 has 12 divisors (see below), whose sum is σ = 174701106900. Its totient is φ = 42909043716.

The previous prime is 100121102099. The next prime is 100121102111. The reversal of 100121102102 is 201201121001.

It is a super-2 number, since 2×100121102102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 510821852 + ... + 510822047.

It is an arithmetic number, because the mean of its divisors is an integer number (14558425575).

Almost surely, 2^100121102102 is an apocalyptic number.

100121102102 is a deficient number, since it is larger than the sum of its proper divisors (74580004798).

100121102102 is a wasteful number, since it uses less digits than its factorization.

100121102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021643915 (or 1021643908 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100121102102 its reverse (201201121001), we get a palindrome (301322223103).

The spelling of 100121102102 in words is "one hundred billion, one hundred twenty-one million, one hundred two thousand, one hundred two".