421420241243022 has 64 divisors (see below), whose sum is σ = 986759320780800. Its totient is φ = 117466765873920.

The previous prime is 421420241242999. The next prime is 421420241243047. The reversal of 421420241243022 is 220342142024124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86906304 + ... + 91627212.

It is an arithmetic number, because the mean of its divisors is an integer number (15418114387200).

Almost surely, 2^{421420241243022} is an apocalyptic number.

421420241243022 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

421420241243022 is an abundant number, since it is smaller than the sum of its proper divisors (565339079537778).

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

421420241243022 is a wasteful number, since it uses less digits than its factorization.

421420241243022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4772801.

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 421420241243022 its reverse (220342142024124), we get a palindrome (641762383267146).

The spelling of 421420241243022 in words is "four hundred twenty-one trillion, four hundred twenty billion, two hundred forty-one million, two hundred forty-three thousand, twenty-two".