1102013121 has 32 divisors (see below), whose sum is σ = 1627508736. Its totient is φ = 657720000.

The previous prime is 1102013113. The next prime is 1102013123. The reversal of 1102013121 is 1213102011.

It is not a de Polignac number, because 1102013121 - 2³ = 1102013113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1102013097 and 1102013106.

It is not an unprimeable number, because it can be changed into a prime (1102013123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 702480 + ... + 704046.

It is an arithmetic number, because the mean of its divisors is an integer number (50859648).

Almost surely, 2^1102013121 is an apocalyptic number.

1102013121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1102013121 is a deficient number, since it is larger than the sum of its proper divisors (525495615).

1102013121 is a wasteful number, since it uses less digits than its factorization.

1102013121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893.

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

The square root of 1102013121 is about 33196.5829717458. The cubic root of 1102013121 is about 1032.9094604096.

Adding to 1102013121 its reverse (1213102011), we get a palindrome (2315115132).

The spelling of 1102013121 in words is "one billion, one hundred two million, thirteen thousand, one hundred twenty-one".