1230100101 has 20 divisors (see below), whose sum is σ = 1864991392. Its totient is φ = 807823368.

The previous prime is 1230100051. The next prime is 1230100103. The reversal of 1230100101 is 1010010321.

It is not a de Polignac number, because 1230100101 - 2⁷ = 1230099973 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230100103) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 107905 + ... + 118758.

Almost surely, 2^1230100101 is an apocalyptic number.

It is an amenable number.

1230100101 is a deficient number, since it is larger than the sum of its proper divisors (634891291).

1230100101 is an equidigital number, since it uses as much as digits as its factorization.

1230100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226742 (or 226733 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1230100101 is about 35072.7829092589. The cubic root of 1230100101 is about 1071.4703345778.

Adding to 1230100101 its reverse (1010010321), we get a palindrome (2240110422).

The spelling of 1230100101 in words is "one billion, two hundred thirty million, one hundred thousand, one hundred one".