1102011212124 has 18 divisors (see below), whose sum is σ = 2785639452960. Its totient is φ = 367337070696.

The previous prime is 1102011212123. The next prime is 1102011212129. The reversal of 1102011212124 is 4212121102011.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1102011212097 and 1102011212106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102011212123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15305711244 + ... + 15305711315.

Almost surely, 2^{1102011212124} is an apocalyptic number.

It is an amenable number.

1102011212124 is an abundant number, since it is smaller than the sum of its proper divisors (1683628240836).

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

1102011212124 is a wasteful number, since it uses less digits than its factorization.

1102011212124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30611422569 (or 30611422564 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1102011212124 its reverse (4212121102011), we get a palindrome (5314132314135).

The spelling of 1102011212124 in words is "one trillion, one hundred two billion, eleven million, two hundred twelve thousand, one hundred twenty-four".