4021421021214 has 64 divisors (see below), whose sum is σ = 8384683726848. Its totient is φ = 1284774825600.

The previous prime is 4021421021213. The next prime is 4021421021227. The reversal of 4021421021214 is 4121201241204.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021421021213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6322227 + ... + 6929169.

It is an arithmetic number, because the mean of its divisors is an integer number (131010683232).

Almost surely, 2^{4021421021214} is an apocalyptic number.

4021421021214 is an abundant number, since it is smaller than the sum of its proper divisors (4363262705634).

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

4021421021214 is a wasteful number, since it uses less digits than its factorization.

4021421021214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607473.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 4021421021214 its reverse (4121201241204), we get a palindrome (8142622262418).

The spelling of 4021421021214 in words is "four trillion, twenty-one billion, four hundred twenty-one million, twenty-one thousand, two hundred fourteen".