1101120102 has 32 divisors (see below), whose sum is σ = 2448293760. Its totient is φ = 366836040.

The previous prime is 1101120047. The next prime is 1101120131. The reversal of 1101120102 is 2010211011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116577 + ... + 125667.

It is an arithmetic number, because the mean of its divisors is an integer number (76509180).

Almost surely, 2^1101120102 is an apocalyptic number.

1101120102 is an abundant number, since it is smaller than the sum of its proper divisors (1347173658).

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

1101120102 is a wasteful number, since it uses less digits than its factorization.

1101120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11345 (or 11339 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 1101120102 is about 33183.1297800554. The cubic root of 1101120102 is about 1032.6303781172.

Adding to 1101120102 its reverse (2010211011), we get a palindrome (3111331113).

Subtracting 1101120102 from its reverse (2010211011), we obtain a palindrome (909090909).

It can be divided in two parts, 11011 and 20102, that multiplied together give a palindrome (221343122).

The spelling of 1101120102 in words is "one billion, one hundred one million, one hundred twenty thousand, one hundred two".