1101121311 has 16 divisors (see below), whose sum is σ = 1502899200. Its totient is φ = 716785248.

The previous prime is 1101121279. The next prime is 1101121337. The reversal of 1101121311 is 1131211011.

It is not a de Polignac number, because 1101121311 - 2⁵ = 1101121279 is a prime.

It is a super-3 number, since 3×1101121311³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101121211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53005 + ... + 70793.

It is an arithmetic number, because the mean of its divisors is an integer number (93931200).

Almost surely, 2^1101121311 is an apocalyptic number.

1101121311 is a deficient number, since it is larger than the sum of its proper divisors (401777889).

1101121311 is a wasteful number, since it uses less digits than its factorization.

1101121311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18278.

The product of its (nonzero) digits is 6, while the sum is 12.

The square root of 1101121311 is about 33183.1479971385. The cubic root of 1101121311 is about 1032.6307560504.

Adding to 1101121311 its reverse (1131211011), we get a palindrome (2232332322).

The spelling of 1101121311 in words is "one billion, one hundred one million, one hundred twenty-one thousand, three hundred eleven".