102111332010 has 64 divisors (see below), whose sum is σ = 255138653952. Its totient is φ = 26130802176.

The previous prime is 102111332009. The next prime is 102111332017. The reversal of 102111332010 is 10233111201.

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 (102111332017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 549054 + ... + 711113.

It is an arithmetic number, because the mean of its divisors is an integer number (3986541468).

Almost surely, 2^102111332010 is an apocalyptic number.

102111332010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102111332010 is an abundant number, since it is smaller than the sum of its proper divisors (153027321942).

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

102111332010 is a wasteful number, since it uses less digits than its factorization.

102111332010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260287.

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

Adding to 102111332010 its reverse (10233111201), we get a palindrome (112344443211).

The spelling of 102111332010 in words is "one hundred two billion, one hundred eleven million, three hundred thirty-two thousand, ten".