13421321034100 has 108 divisors (see below), whose sum is σ = 33988189304160. Its totient is φ = 4586799134400.

The previous prime is 13421321034053. The next prime is 13421321034101. The reversal of 13421321034100 is 143012312431.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13421321034101) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2879710 + ... + 5927509.

It is an arithmetic number, because the mean of its divisors is an integer number (314705456520).

Almost surely, 2^{13421321034100} is an apocalyptic number.

13421321034100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13421321034100 is an abundant number, since it is smaller than the sum of its proper divisors (20566868270060).

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

13421321034100 is a wasteful number, since it uses less digits than its factorization.

13421321034100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8807558 (or 8807544 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 13421321034100 its reverse (143012312431), we get a palindrome (13564333346531).

The spelling of 13421321034100 in words is "thirteen trillion, four hundred twenty-one billion, three hundred twenty-one million, thirty-four thousand, one hundred".