4021221002113 has 80 divisors (see below), whose sum is σ = 5116605791616. Its totient is φ = 3147376780800.

The previous prime is 4021221002101. The next prime is 4021221002137. The reversal of 4021221002113 is 3112001221204.

4021221002113 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4021221002113 - 2¹³ = 4021220993921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4021221002173) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 265017195 + ... + 265032367.

Almost surely, 2^{4021221002113} is an apocalyptic number.

4021221002113 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

4021221002113 is a deficient number, since it is larger than the sum of its proper divisors (1095384789503).

4021221002113 is a wasteful number, since it uses less digits than its factorization.

4021221002113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15412 (or 15391 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 4021221002113 its reverse (3112001221204), we get a palindrome (7133222223317).

The spelling of 4021221002113 in words is "four trillion, twenty-one billion, two hundred twenty-one million, two thousand, one hundred thirteen".