102228212651 has 4 divisors (see below), whose sum is σ = 103668046704. Its totient is φ = 100788378600.

The previous prime is 102228212633. The next prime is 102228212659. The reversal of 102228212651 is 156212822201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102228212651 - 2³⁴ = 85048343467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102228212659) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 719916920 + ... + 719917061.

It is an arithmetic number, because the mean of its divisors is an integer number (25917011676).

Almost surely, 2^102228212651 is an apocalyptic number.

102228212651 is a deficient number, since it is larger than the sum of its proper divisors (1439834053).

102228212651 is an equidigital number, since it uses as much as digits as its factorization.

102228212651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439834052.

The product of its (nonzero) digits is 7680, while the sum is 32.

The spelling of 102228212651 in words is "one hundred two billion, two hundred twenty-eight million, two hundred twelve thousand, six hundred fifty-one".