124211443022021 has 16 divisors (see below), whose sum is σ = 129972139653888. Its totient is φ = 118581749299200.

The previous prime is 124211443022003. The next prime is 124211443022033. The reversal of 124211443022021 is 120220344112421.

It is a cyclic number.

It is not a de Polignac number, because 124211443022021 - 2⁴² = 119813396510917 is a prime.

It is a super-2 number, since 2×124211443022021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124211443022041) 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 15 ways as a sum of consecutive naturals, for example, 4561406 + ... + 16408208.

It is an arithmetic number, because the mean of its divisors is an integer number (8123258728368).

Almost surely, 2^{124211443022021} is an apocalyptic number.

It is an amenable number.

124211443022021 is a deficient number, since it is larger than the sum of its proper divisors (5760696631867).

124211443022021 is a wasteful number, since it uses less digits than its factorization.

124211443022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11852332.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 124211443022021 its reverse (120220344112421), we get a palindrome (244431787134442).

The spelling of 124211443022021 in words is "one hundred twenty-four trillion, two hundred eleven billion, four hundred forty-three million, twenty-two thousand, twenty-one".