1115021102 has 48 divisors (see below), whose sum is σ = 1874813040. Its totient is φ = 496843776.

The previous prime is 1115021101. The next prime is 1115021107. The reversal of 1115021102 is 2011205111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115021101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1199774 + ... + 1200702.

It is an arithmetic number, because the mean of its divisors is an integer number (39058605).

Almost surely, 2^1115021102 is an apocalyptic number.

1115021102 is a deficient number, since it is larger than the sum of its proper divisors (759791938).

1115021102 is a wasteful number, since it uses less digits than its factorization.

1115021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077 (or 1064 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 14.

The square root of 1115021102 is about 33391.9316901553. The cubic root of 1115021102 is about 1036.9576714058.

Adding to 1115021102 its reverse (2011205111), we get a palindrome (3126226213).

The spelling of 1115021102 in words is "one billion, one hundred fifteen million, twenty-one thousand, one hundred two".