1102012101 has 8 divisors (see below), whose sum is σ = 1632610560. Its totient is φ = 734674716.

The previous prime is 1102012069. The next prime is 1102012129. The reversal of 1102012101 is 1012102011.

It is a happy number.

It is not a de Polignac number, because 1102012101 - 2⁵ = 1102012069 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102012601) 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 7 ways as a sum of consecutive naturals, for example, 20407605 + ... + 20407658.

It is an arithmetic number, because the mean of its divisors is an integer number (204076320).

Almost surely, 2^1102012101 is an apocalyptic number.

It is an amenable number.

1102012101 is a deficient number, since it is larger than the sum of its proper divisors (530598459).

1102012101 is an equidigital number, since it uses as much as digits as its factorization.

1102012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40815272 (or 40815266 counting only the distinct ones).

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

The square root of 1102012101 is about 33196.5676087152. The cubic root of 1102012101 is about 1032.9091417298.

Adding to 1102012101 its reverse (1012102011), we get a palindrome (2114114112).

The spelling of 1102012101 in words is "one billion, one hundred two million, twelve thousand, one hundred one".