421202111000 has 64 divisors (see below), whose sum is σ = 1075214144160. Its totient is φ = 153164400000.

The previous prime is 421202110997. The next prime is 421202111009. The reversal of 421202111000 is 111202124.

It is a happy number.

It is a super-2 number, since 2×421202111000² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421202111009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19134551 + ... + 19156550.

Almost surely, 2^421202111000 is an apocalyptic number.

421202111000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421202111000 is an abundant number, since it is smaller than the sum of its proper divisors (654012033160).

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

421202111000 is a wasteful number, since it uses less digits than its factorization.

421202111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38291133 (or 38291119 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 421202111000 its reverse (111202124), we get a palindrome (421313313124).

The spelling of 421202111000 in words is "four hundred twenty-one billion, two hundred two million, one hundred eleven thousand".