421101040120000 has 140 divisors (see below), whose sum is σ = 1077877393274176. Its totient is φ = 163006853760000.

The previous prime is 421101040119983. The next prime is 421101040120003. The reversal of 421101040120000 is 21040101124.

It is a happy number.

It is a super-2 number, since 2×421101040120000² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (421101040120003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 168558807 + ... + 171038806.

Almost surely, 2^{421101040120000} is an apocalyptic number.

421101040120000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421101040120000 is an abundant number, since it is smaller than the sum of its proper divisors (656776353154176).

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

421101040120000 is an equidigital number, since it uses as much as digits as its factorization.

421101040120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339597676 (or 339597651 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 421101040120000 its reverse (21040101124), we get a palindrome (421122080221124).

The spelling of 421101040120000 in words is "four hundred twenty-one trillion, one hundred one billion, forty million, one hundred twenty thousand".