11342420221400 has 48 divisors (see below), whose sum is σ = 26438919296400. Its totient is φ = 4525304900480.

The previous prime is 11342420221397. The next prime is 11342420221423. The reversal of 11342420221400 is 412202424311.

It is a self number, because there is not a number n which added to its sum of digits gives 11342420221400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72816932 + ... + 72972531.

It is an arithmetic number, because the mean of its divisors is an integer number (550810818675).

Almost surely, 2^{11342420221400} is an apocalyptic number.

11342420221400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11342420221400 is an abundant number, since it is smaller than the sum of its proper divisors (15096499075000).

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

11342420221400 is a wasteful number, since it uses less digits than its factorization.

11342420221400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145789868 (or 145789859 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 11342420221400 its reverse (412202424311), we get a palindrome (11754622645711).

The spelling of 11342420221400 in words is "eleven trillion, three hundred forty-two billion, four hundred twenty million, two hundred twenty-one thousand, four hundred".