421131102102 has 16 divisors (see below), whose sum is σ = 935846893680. Its totient is φ = 140377034016.

The previous prime is 421131102001. The next prime is 421131102127. The reversal of 421131102102 is 201201131124.

421131102102 is a `hidden beast` number, since 421 + 1 + 31 + 1 + 0 + 210 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 3899362003 + ... + 3899362110.

It is an arithmetic number, because the mean of its divisors is an integer number (58490430855).

Almost surely, 2^421131102102 is an apocalyptic number.

421131102102 is an abundant number, since it is smaller than the sum of its proper divisors (514715791578).

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

421131102102 is a wasteful number, since it uses less digits than its factorization.

421131102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7798724124 (or 7798724118 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 421131102102 its reverse (201201131124), we get a palindrome (622332233226).

The spelling of 421131102102 in words is "four hundred twenty-one billion, one hundred thirty-one million, one hundred two thousand, one hundred two".