102201101010 has 48 divisors (see below), whose sum is σ = 274294575360. Its totient is φ = 26374476960.

The previous prime is 102201100993. The next prime is 102201101011. The reversal of 102201101010 is 10101102201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 102201100983 and 102201101001.

It is not an unprimeable number, because it can be changed into a prime (102201101011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18312820 + ... + 18318399.

It is an arithmetic number, because the mean of its divisors is an integer number (5714470320).

Almost surely, 2^102201101010 is an apocalyptic number.

102201101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102201101010 is an abundant number, since it is smaller than the sum of its proper divisors (172093474350).

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

102201101010 is a wasteful number, since it uses less digits than its factorization.

102201101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36631263 (or 36631260 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 102201101010 its reverse (10101102201), we get a palindrome (112302203211).

The spelling of 102201101010 in words is "one hundred two billion, two hundred one million, one hundred one thousand, ten".