1101021102 has 12 divisors (see below), whose sum is σ = 2385545760. Its totient is φ = 367007028.

The previous prime is 1101021091. The next prime is 1101021127. The reversal of 1101021102 is 2011201011.

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 5 ways as a sum of consecutive naturals, for example, 30583902 + ... + 30583937.

It is an arithmetic number, because the mean of its divisors is an integer number (198795480).

Almost surely, 2^1101021102 is an apocalyptic number.

1101021102 is an abundant number, since it is smaller than the sum of its proper divisors (1284524658).

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

1101021102 is a wasteful number, since it uses less digits than its factorization.

1101021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61167847 (or 61167844 counting only the distinct ones).

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

The square root of 1101021102 is about 33181.6380246666. The cubic root of 1101021102 is about 1032.5994297913.

Adding to 1101021102 its reverse (2011201011), we get a palindrome (3112222113).

The spelling of 1101021102 in words is "one billion, one hundred one million, twenty-one thousand, one hundred two".