102121110330 has 32 divisors (see below), whose sum is σ = 245320012800. Its totient is φ = 27206812992.

The previous prime is 102121110319. The next prime is 102121110331. The reversal of 102121110330 is 33011121201.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (102121110331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1560090 + ... + 1624229.

It is an arithmetic number, because the mean of its divisors is an integer number (7666250400).

Almost surely, 2^102121110330 is an apocalyptic number.

102121110330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102121110330 is an abundant number, since it is smaller than the sum of its proper divisors (143198902470).

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

102121110330 is a wasteful number, since it uses less digits than its factorization.

102121110330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3185398.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 102121110330 its reverse (33011121201), we get a palindrome (135132231531).

The spelling of 102121110330 in words is "one hundred two billion, one hundred twenty-one million, one hundred ten thousand, three hundred thirty".