4021244000121 has 64 divisors (see below), whose sum is σ = 6169888972800. Its totient is φ = 2312750361600.

The previous prime is 4021244000117. The next prime is 4021244000141. The reversal of 4021244000121 is 1210004421204.

It is not a de Polignac number, because 4021244000121 - 2² = 4021244000117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4021244000141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 187102186 + ... + 187123676.

It is an arithmetic number, because the mean of its divisors is an integer number (96404515200).

Almost surely, 2^{4021244000121} is an apocalyptic number.

It is an amenable number.

4021244000121 is a deficient number, since it is larger than the sum of its proper divisors (2148644972679).

4021244000121 is a wasteful number, since it uses less digits than its factorization.

4021244000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27790.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 4021244000121 its reverse (1210004421204), we get a palindrome (5231248421325).

The spelling of 4021244000121 in words is "four trillion, twenty-one billion, two hundred forty-four million, one hundred twenty-one", and thus it is an aban number.