1210101135 has 32 divisors (see below), whose sum is σ = 1958584320. Its totient is φ = 637955328.

The previous prime is 1210101131. The next prime is 1210101161. The reversal of 1210101135 is 5311010121.

It is not a de Polignac number, because 1210101135 - 2² = 1210101131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210101131) 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 31 ways as a sum of consecutive naturals, for example, 539346 + ... + 541584.

It is an arithmetic number, because the mean of its divisors is an integer number (61205760).

Almost surely, 2^1210101135 is an apocalyptic number.

1210101135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1210101135 is a deficient number, since it is larger than the sum of its proper divisors (748483185).

1210101135 is a wasteful number, since it uses less digits than its factorization.

1210101135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2647.

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 1210101135 is about 34786.5079448915. The cubic root of 1210101135 is about 1065.6319245572.

Adding to 1210101135 its reverse (5311010121), we get a palindrome (6521111256).

The spelling of 1210101135 in words is "one billion, two hundred ten million, one hundred one thousand, one hundred thirty-five".