102111012221100 has 36 divisors (see below), whose sum is σ = 295441195360584. Its totient is φ = 27229603258880.

The previous prime is 102111012221087. The next prime is 102111012221189. The reversal of 102111012221100 is 1122210111201.

It is a happy number.

102111012221100 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102111012221100.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170185020069 + ... + 170185020668.

Almost surely, 2^{102111012221100} is an apocalyptic number.

102111012221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102111012221100 is an abundant number, since it is smaller than the sum of its proper divisors (193330183139484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102111012221100 is a wasteful number, since it uses less digits than its factorization.

102111012221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340370040754 (or 340370040747 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102111012221100 its reverse (1122210111201), we get a palindrome (103233222332301).

The spelling of 102111012221100 in words is "one hundred two trillion, one hundred eleven billion, twelve million, two hundred twenty-one thousand, one hundred".