11030012123421 has 16 divisors (see below), whose sum is σ = 15534140610560. Its totient is φ = 6950645296560.

The previous prime is 11030012123413. The next prime is 11030012123441. The reversal of 11030012123421 is 12432121003011.

It is not a de Polignac number, because 11030012123421 - 2³ = 11030012123413 is a prime.

It is a super-2 number, since 2×11030012123421² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11030012123441) 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, 1379092291 + ... + 1379100288.

It is an arithmetic number, because the mean of its divisors is an integer number (970883788160).

Almost surely, 2^{11030012123421} is an apocalyptic number.

It is an amenable number.

11030012123421 is a deficient number, since it is larger than the sum of its proper divisors (4504128487139).

11030012123421 is a wasteful number, since it uses less digits than its factorization.

11030012123421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2758192656.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11030012123421 its reverse (12432121003011), we get a palindrome (23462133126432).

The spelling of 11030012123421 in words is "eleven trillion, thirty billion, twelve million, one hundred twenty-three thousand, four hundred twenty-one".