3023200111021 has 4 divisors (see below), whose sum is σ = 3023239106844. Its totient is φ = 3023161115200.

The previous prime is 3023200111003. The next prime is 3023200111051. The reversal of 3023200111021 is 1201110023203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 590492349225 + 2432707761796 = 768435^2 + 1559714^2 .

It is a cyclic number.

It is not a de Polignac number, because 3023200111021 - 2⁵ = 3023200110989 is a prime.

It is a super-2 number, since 2×3023200111021² (a number of 26 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 = 3023200110986 and 3023200111004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3023200111051) 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, 19381390 + ... + 19536751.

It is an arithmetic number, because the mean of its divisors is an integer number (755809776711).

Almost surely, 2^{3023200111021} is an apocalyptic number.

It is an amenable number.

3023200111021 is a deficient number, since it is larger than the sum of its proper divisors (38995823).

3023200111021 is an equidigital number, since it uses as much as digits as its factorization.

3023200111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38995822.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 3023200111021 its reverse (1201110023203), we get a palindrome (4224310134224).

The spelling of 3023200111021 in words is "three trillion, twenty-three billion, two hundred million, one hundred eleven thousand, twenty-one".