102121222010 has 16 divisors (see below), whose sum is σ = 183916689696. Its totient is φ = 40826602128.

The previous prime is 102121221953. The next prime is 102121222043. The reversal of 102121222010 is 10222121201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2716232 + ... + 2753571.

It is an arithmetic number, because the mean of its divisors is an integer number (11494793106).

Almost surely, 2^102121222010 is an apocalyptic number.

102121222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102121222010 is a deficient number, since it is larger than the sum of its proper divisors (81795467686).

102121222010 is a wasteful number, since it uses less digits than its factorization.

102121222010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5471677.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102121222010 its reverse (10222121201), we get a palindrome (112343343211).

The spelling of 102121222010 in words is "one hundred two billion, one hundred twenty-one million, two hundred twenty-two thousand, ten".