1122121013 has 8 divisors (see below), whose sum is σ = 1213497600. Its totient is φ = 1031467248.

The previous prime is 1122120997. The next prime is 1122121031. The reversal of 1122121013 is 3101212211.

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 1122121013 - 2⁴ = 1122120997 is a prime.

It is a super-2 number, since 2×1122121013² = 2518311135632292338, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122121213) 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, 177473 + ... + 183686.

It is an arithmetic number, because the mean of its divisors is an integer number (151687200).

Almost surely, 2^1122121013 is an apocalyptic number.

1122121013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1122121013 is a deficient number, since it is larger than the sum of its proper divisors (91376587).

1122121013 is a wasteful number, since it uses less digits than its factorization.

1122121013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361411.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1122121013 is about 33498.0747655742. The cubic root of 1122121013 is about 1039.1539633809.

Adding to 1122121013 its reverse (3101212211), we get a palindrome (4223333224).

The spelling of 1122121013 in words is "one billion, one hundred twenty-two million, one hundred twenty-one thousand, thirteen".