1101020312 has 32 divisors (see below), whose sum is σ = 2373477120. Its totient is φ = 469036320.

The previous prime is 1101020311. The next prime is 1101020339. The reversal of 1101020312 is 2130201011.

It is a junction number, because it is equal to n+sod(n) for n = 1101020293 and 1101020302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101020311) 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, 49514 + ... + 68217.

It is an arithmetic number, because the mean of its divisors is an integer number (74171160).

Almost surely, 2^1101020312 is an apocalyptic number.

It is an amenable number.

1101020312 is an abundant number, since it is smaller than the sum of its proper divisors (1272456808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1101020312 is a wasteful number, since it uses less digits than its factorization.

1101020312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117911 (or 117907 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1101020312 is about 33181.6261204902. The cubic root of 1101020312 is about 1032.5991828224.

Adding to 1101020312 its reverse (2130201011), we get a palindrome (3231221323).

The spelling of 1101020312 in words is "one billion, one hundred one million, twenty thousand, three hundred twelve".