11421032401 has 8 divisors (see below), whose sum is σ = 11476341504. Its totient is φ = 11365820640.

The previous prime is 11421032393. The next prime is 11421032419. The reversal of 11421032401 is 10423012411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11421032401 - 2³ = 11421032393 is a prime.

It is a super-2 number, since 2×11421032401² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11421032801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216621 + ... + 264133.

It is an arithmetic number, because the mean of its divisors is an integer number (1434542688).

Almost surely, 2^11421032401 is an apocalyptic number.

It is an amenable number.

11421032401 is a deficient number, since it is larger than the sum of its proper divisors (55309103).

11421032401 is an equidigital number, since it uses as much as digits as its factorization.

11421032401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48671.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11421032401 its reverse (10423012411), we get a palindrome (21844044812).

It can be divided in two parts, 114210 and 32401, that added together give a triangular number (146611 = T₅₄₁).

The spelling of 11421032401 in words is "eleven billion, four hundred twenty-one million, thirty-two thousand, four hundred one".