1102102140 has 192 divisors, whose sum is σ = 3292047360. Its totient is φ = 275159040.

The previous prime is 1102102121. The next prime is 1102102151. The reversal of 1102102140 is 412012011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10299967 + ... + 10300073.

It is an arithmetic number, because the mean of its divisors is an integer number (17146080).

Almost surely, 2^1102102140 is an apocalyptic number.

1102102140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1102102140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1646023680).

1102102140 is an abundant number, since it is smaller than the sum of its proper divisors (2189945220).

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

1102102140 is a wasteful number, since it uses less digits than its factorization.

1102102140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1102102140 is about 33197.9237302576. The cubic root of 1102102140 is about 1032.9372719633.

Adding to 1102102140 its reverse (412012011), we get a palindrome (1514114151).

The spelling of 1102102140 in words is "one billion, one hundred two million, one hundred two thousand, one hundred forty".