1101121013 has 8 divisors (see below), whose sum is σ = 1113000000. Its totient is φ = 1089305280.

The previous prime is 1101121009. The next prime is 1101121033. The reversal of 1101121013 is 3101211011.

It is a happy number.

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 1101121013 - 2² = 1101121009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101120985 and 1101121003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101121033) 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, 19613 + ... + 50861.

It is an arithmetic number, because the mean of its divisors is an integer number (139125000).

Almost surely, 2^1101121013 is an apocalyptic number.

It is an amenable number.

1101121013 is a deficient number, since it is larger than the sum of its proper divisors (11878987).

1101121013 is a wasteful number, since it uses less digits than its factorization.

1101121013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31627.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 1101121013 is about 33183.1435069072. The cubic root of 1101121013 is about 1032.6306628957.

Adding to 1101121013 its reverse (3101211011), we get a palindrome (4202332024).

The spelling of 1101121013 in words is "one billion, one hundred one million, one hundred twenty-one thousand, thirteen".