101218828 has 12 divisors (see below), whose sum is σ = 181920592. Its totient is φ = 49241520.

The previous prime is 101218811. The next prime is 101218889. The reversal of 101218828 is 828812101.

It is a happy number.

It is a super-2 number, since 2×101218828² = 20490502283387168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101218828.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341808 + ... + 342103.

Almost surely, 2^101218828 is an apocalyptic number.

It is an amenable number.

101218828 is a deficient number, since it is larger than the sum of its proper divisors (80701764).

101218828 is a wasteful number, since it uses less digits than its factorization.

101218828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683952 (or 683950 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 31.

The square root of 101218828 is about 10060.7568303781. The cubic root of 101218828 is about 466.0370395507.

The spelling of 101218828 in words is "one hundred one million, two hundred eighteen thousand, eight hundred twenty-eight".