2421212021422 has 16 divisors (see below), whose sum is σ = 3749693455872. Its totient is φ = 1171779194880.

The previous prime is 2421212021353. The next prime is 2421212021479. The reversal of 2421212021422 is 2241202121242.

It is a super-3 number, since 3×2421212021422³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116237523 + ... + 116258350.

It is an arithmetic number, because the mean of its divisors is an integer number (234355840992).

Almost surely, 2^{2421212021422} is an apocalyptic number.

2421212021422 is a deficient number, since it is larger than the sum of its proper divisors (1328481434450).

2421212021422 is a wasteful number, since it uses less digits than its factorization.

2421212021422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232496043.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 2421212021422 its reverse (2241202121242), we get a palindrome (4662414142664).

The spelling of 2421212021422 in words is "two trillion, four hundred twenty-one billion, two hundred twelve million, twenty-one thousand, four hundred twenty-two".