1101211423 has 8 divisors (see below), whose sum is σ = 1186178000. Its totient is φ = 1016281728.

The previous prime is 1101211417. The next prime is 1101211429. The reversal of 1101211423 is 3241121011.

It is an interprime number because it is at equal distance from previous prime (1101211417) and next prime (1101211429).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1101211423 - 2¹³ = 1101203231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101211397 and 1101211406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101211429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109303 + ... + 118951.

It is an arithmetic number, because the mean of its divisors is an integer number (148272250).

Almost surely, 2^1101211423 is an apocalyptic number.

1101211423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1101211423 is a deficient number, since it is larger than the sum of its proper divisors (84966577).

1101211423 is an equidigital number, since it uses as much as digits as its factorization.

1101211423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18441.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1101211423 is about 33184.5057669992. The cubic root of 1101211423 is about 1032.6589242712.

Adding to 1101211423 its reverse (3241121011), we get a palindrome (4342332434).

The spelling of 1101211423 in words is "one billion, one hundred one million, two hundred eleven thousand, four hundred twenty-three".