11230121020021 has 4 divisors (see below), whose sum is σ = 11288917465344. Its totient is φ = 11171324574700.

The previous prime is 11230121019947. The next prime is 11230121020037. The reversal of 11230121020021 is 12002012103211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11230121020021 - 2¹⁷ = 11230120888949 is a prime.

It is a super-2 number, since 2×11230121020021² (a number of 27 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 = 11230121019977 and 11230121020004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11230121020081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29398222375 + ... + 29398222756.

It is an arithmetic number, because the mean of its divisors is an integer number (2822229366336).

Almost surely, 2^{11230121020021} is an apocalyptic number.

It is an amenable number.

11230121020021 is a deficient number, since it is larger than the sum of its proper divisors (58796445323).

11230121020021 is an equidigital number, since it uses as much as digits as its factorization.

11230121020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58796445322.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11230121020021 its reverse (12002012103211), we get a palindrome (23232133123232).

The spelling of 11230121020021 in words is "eleven trillion, two hundred thirty billion, one hundred twenty-one million, twenty thousand, twenty-one".