11021032121 has 8 divisors (see below), whose sum is σ = 12347889024. Its totient is φ = 9748332720.

The previous prime is 11021032103. The next prime is 11021032151. The reversal of 11021032121 is 12123012011.

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 11021032121 - 2¹⁰ = 11021031097 is a prime.

It is a super-2 number, since 2×11021032121² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11021032096 and 11021032105.

It is not an unprimeable number, because it can be changed into a prime (11021032151) 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, 13538945 + ... + 13539758.

It is an arithmetic number, because the mean of its divisors is an integer number (1543486128).

Almost surely, 2^11021032121 is an apocalyptic number.

11021032121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11021032121 is a deficient number, since it is larger than the sum of its proper divisors (1326856903).

11021032121 is a wasteful number, since it uses less digits than its factorization.

11021032121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27078751.

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

Adding to 11021032121 its reverse (12123012011), we get a palindrome (23144044132).

The spelling of 11021032121 in words is "eleven billion, twenty-one million, thirty-two thousand, one hundred twenty-one".