1101213311 has 16 divisors (see below), whose sum is σ = 1220352000. Its totient is φ = 985327200.

The previous prime is 1101213271. The next prime is 1101213313. The reversal of 1101213311 is 1133121011.

It is a happy number.

It is not a de Polignac number, because 1101213311 - 2⁶ = 1101213247 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 (1101213313) 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 15 ways as a sum of consecutive naturals, for example, 301466 + ... + 305096.

It is an arithmetic number, because the mean of its divisors is an integer number (76272000).

Almost surely, 2^1101213311 is an apocalyptic number.

1101213311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1101213311 is a deficient number, since it is larger than the sum of its proper divisors (119138689).

1101213311 is a wasteful number, since it uses less digits than its factorization.

1101213311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1101213311 is about 33184.5342139979. The cubic root of 1101213311 is about 1032.6595144270.

Adding to 1101213311 its reverse (1133121011), we get a palindrome (2234334322).

It can be divided in two parts, 1101 and 213311, that added together give a palindrome (214412).

The spelling of 1101213311 in words is "one billion, one hundred one million, two hundred thirteen thousand, three hundred eleven".