1210011101 has 12 divisors (see below), whose sum is σ = 1326050208. Its totient is φ = 1103463504.

The previous prime is 1210011083. The next prime is 1210011107. The reversal of 1210011101 is 1011100121.

It is a happy number.

It is not a de Polignac number, because 1210011101 - 2³⁰ = 136269277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210011107) 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 11 ways as a sum of consecutive naturals, for example, 29105 + ... + 57158.

It is an arithmetic number, because the mean of its divisors is an integer number (110504184).

Almost surely, 2^1210011101 is an apocalyptic number.

It is an amenable number.

1210011101 is a deficient number, since it is larger than the sum of its proper divisors (116039107).

1210011101 is an equidigital number, since it uses as much as digits as its factorization.

1210011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86372 (or 86359 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

The square root of 1210011101 is about 34785.2138271421. The cubic root of 1210011101 is about 1065.6054955033.

Adding to 1210011101 its reverse (1011100121), we get a palindrome (2221111222).

The spelling of 1210011101 in words is "one billion, two hundred ten million, eleven thousand, one hundred one".