102211124 has 12 divisors (see below), whose sum is σ = 180278784. Its totient is φ = 50702904.

The previous prime is 102211121. The next prime is 102211147. The reversal of 102211124 is 421112201.

It is a happy number.

It is a super-2 number, since 2×102211124² = 20894227738686752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102211099 and 102211108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102211121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100094 + ... + 101109.

It is an arithmetic number, because the mean of its divisors is an integer number (15023232).

Almost surely, 2^102211124 is an apocalyptic number.

It is an amenable number.

102211124 is a deficient number, since it is larger than the sum of its proper divisors (78067660).

102211124 is a wasteful number, since it uses less digits than its factorization.

102211124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201334 (or 201332 counting only the distinct ones).

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

The square root of 102211124 is about 10109.9517308442. The cubic root of 102211124 is about 467.5550169269. Note that the first 3 decimals are identical.

Adding to 102211124 its reverse (421112201), we get a palindrome (523323325).

The spelling of 102211124 in words is "one hundred two million, two hundred eleven thousand, one hundred twenty-four".