4244242101021 has 96 divisors (see below), whose sum is σ = 6744733142784. Its totient is φ = 2555908992000.

The previous prime is 4244242101007. The next prime is 4244242101067. The reversal of 4244242101021 is 1201012424424.

4244242101021 is a `hidden beast` number, since 4 + 2 + 4 + 424 + 210 + 1 + 0 + 21 = 666.

It is not a de Polignac number, because 4244242101021 - 2²⁶ = 4244174992157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4244242101091) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1409577406 + ... + 1409580416.

It is an arithmetic number, because the mean of its divisors is an integer number (70257636904).

Almost surely, 2^{4244242101021} is an apocalyptic number.

It is an amenable number.

4244242101021 is a deficient number, since it is larger than the sum of its proper divisors (2500491041763).

4244242101021 is a wasteful number, since it uses less digits than its factorization.

4244242101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4035 (or 4032 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 4244242101021 its reverse (1201012424424), we get a palindrome (5445254525445).

The spelling of 4244242101021 in words is "four trillion, two hundred forty-four billion, two hundred forty-two million, one hundred one thousand, twenty-one".