4002100421022 has 48 divisors (see below), whose sum is σ = 9460405199232. Its totient is φ = 1212642945360.

The previous prime is 4002100420909. The next prime is 4002100421023. The reversal of 4002100421022 is 2201240012004.

4002100421022 is a `hidden beast` number, since 400 + 210 + 0 + 42 + 10 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4002100420986 and 4002100421004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002100421023) 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 23 ways as a sum of consecutive naturals, for example, 1153143 + ... + 3055149.

It is an arithmetic number, because the mean of its divisors is an integer number (197091774984).

Almost surely, 2^{4002100421022} is an apocalyptic number.

4002100421022 is an abundant number, since it is smaller than the sum of its proper divisors (5458304778210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4002100421022 is a wasteful number, since it uses less digits than its factorization.

4002100421022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912653 (or 1912650 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 4002100421022 its reverse (2201240012004), we get a palindrome (6203340433026).

The spelling of 4002100421022 in words is "four trillion, two billion, one hundred million, four hundred twenty-one thousand, twenty-two".