11421401200 has 60 divisors (see below), whose sum is σ = 29934465768. Its totient is φ = 4153235200.

The previous prime is 11421401191. The next prime is 11421401231. The reversal of 11421401200 is 210412411.

It is a happy number.

It is a super-2 number, since 2×11421401200² (a number of 21 digits) contains 22 as substring.

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

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, 1293487 + ... + 1302286.

Almost surely, 2^11421401200 is an apocalyptic number.

11421401200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11421401200 is an abundant number, since it is smaller than the sum of its proper divisors (18513064568).

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

11421401200 is a wasteful number, since it uses less digits than its factorization.

11421401200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2595802 (or 2595791 counting only the distinct ones).

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

Adding to 11421401200 its reverse (210412411), we get a palindrome (11631813611).

The spelling of 11421401200 in words is "eleven billion, four hundred twenty-one million, four hundred one thousand, two hundred".