4020111413021 has 4 divisors (see below), whose sum is σ = 4385576086944. Its totient is φ = 3654646739100.

The previous prime is 4020111412991. The next prime is 4020111413053. The reversal of 4020111413021 is 1203141110204.

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 4020111413021 - 2¹⁰ = 4020111411997 is a prime.

It is a super-2 number, since 2×4020111413021² (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 = 4020111412984 and 4020111413002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020111416021) 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, 182732336945 + ... + 182732336966.

It is an arithmetic number, because the mean of its divisors is an integer number (1096394021736).

Almost surely, 2^{4020111413021} is an apocalyptic number.

It is an amenable number.

4020111413021 is a deficient number, since it is larger than the sum of its proper divisors (365464673923).

4020111413021 is a wasteful number, since it uses less digits than its factorization.

4020111413021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365464673922.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 4020111413021 its reverse (1203141110204), we get a palindrome (5223252523225).

The spelling of 4020111413021 in words is "four trillion, twenty billion, one hundred eleven million, four hundred thirteen thousand, twenty-one".