4022210121021 has 16 divisors (see below), whose sum is σ = 5970223385920. Its totient is φ = 2676346304400.

The previous prime is 4022210121019. The next prime is 4022210121029. The reversal of 4022210121021 is 1201210122204.

4022210121021 is a `hidden beast` number, since 402 + 22 + 10 + 1 + 210 + 21 = 666.

It is not a de Polignac number, because 4022210121021 - 2¹ = 4022210121019 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4022210120985 and 4022210121003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4022210121029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142405330 + ... + 142433571.

It is an arithmetic number, because the mean of its divisors is an integer number (373138961620).

Almost surely, 2^{4022210121021} is an apocalyptic number.

It is an amenable number.

4022210121021 is a deficient number, since it is larger than the sum of its proper divisors (1948013264899).

4022210121021 is a wasteful number, since it uses less digits than its factorization.

4022210121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284839433 (or 284839427 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 4022210121021 its reverse (1201210122204), we get a palindrome (5223420243225).

The spelling of 4022210121021 in words is "four trillion, twenty-two billion, two hundred ten million, one hundred twenty-one thousand, twenty-one".