2421606121420 has 24 divisors (see below), whose sum is σ = 5111186938704. Its totient is φ = 963725480256.

The previous prime is 2421606121399. The next prime is 2421606121423. The reversal of 2421606121420 is 241216061242.

It is not an unprimeable number, because it can be changed into a prime (2421606121423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307306482 + ... + 307314361.

It is an arithmetic number, because the mean of its divisors is an integer number (212966122446).

Almost surely, 2^{2421606121420} is an apocalyptic number.

2421606121420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2421606121420 is an abundant number, since it is smaller than the sum of its proper divisors (2689580817284).

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

2421606121420 is a wasteful number, since it uses less digits than its factorization.

2421606121420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614621049 (or 614621047 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 2421606121420 in words is "two trillion, four hundred twenty-one billion, six hundred six million, one hundred twenty-one thousand, four hundred twenty".