1231102101 has 8 divisors (see below), whose sum is σ = 1694420224. Its totient is φ = 794259360.

The previous prime is 1231102079. The next prime is 1231102111. The reversal of 1231102101 is 1012011321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1231102101 - 2¹¹ = 1231100053 is a prime.

It is a super-2 number, since 2×1231102101² = 3031224766173228402, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231102111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6618736 + ... + 6618921.

It is an arithmetic number, because the mean of its divisors is an integer number (211802528).

Almost surely, 2^1231102101 is an apocalyptic number.

It is an amenable number.

1231102101 is a deficient number, since it is larger than the sum of its proper divisors (463318123).

1231102101 is a wasteful number, since it uses less digits than its factorization.

1231102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13237691.

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

The square root of 1231102101 is about 35087.0645822645. The cubic root of 1231102101 is about 1071.7611840504.

Adding to 1231102101 its reverse (1012011321), we get a palindrome (2243113422).

The spelling of 1231102101 in words is "one billion, two hundred thirty-one million, one hundred two thousand, one hundred one".