1210030101 has 24 divisors (see below), whose sum is σ = 2012771904. Its totient is φ = 686162880.

The previous prime is 1210030093. The next prime is 1210030111. The reversal of 1210030101 is 1010300121.

It is not a de Polignac number, because 1210030101 - 2³ = 1210030093 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 (1210030111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65056 + ... + 81561.

It is an arithmetic number, because the mean of its divisors is an integer number (83865496).

Almost surely, 2^1210030101 is an apocalyptic number.

It is an amenable number.

1210030101 is a deficient number, since it is larger than the sum of its proper divisors (802741803).

1210030101 is a wasteful number, since it uses less digits than its factorization.

1210030101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146761 (or 146758 counting only the distinct ones).

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

The square root of 1210030101 is about 34785.4869306152. The cubic root of 1210030101 is about 1065.6110729724.

Adding to 1210030101 its reverse (1010300121), we get a palindrome (2220330222).

The spelling of 1210030101 in words is "one billion, two hundred ten million, thirty thousand, one hundred one".