11321421321042 has 24 divisors (see below), whose sum is σ = 28033995652416. Its totient is φ = 3234691805976.

The previous prime is 11321421321029. The next prime is 11321421321061. The reversal of 11321421321042 is 24012312412311.

11321421321042 is a `hidden beast` number, since 1 + 1 + 3 + 21 + 421 + 3 + 210 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 11321421320997 and 11321421321015.

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, 44926274958 + ... + 44926275209.

It is an arithmetic number, because the mean of its divisors is an integer number (1168083152184).

Almost surely, 2^{11321421321042} is an apocalyptic number.

11321421321042 is an abundant number, since it is smaller than the sum of its proper divisors (16712574331374).

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

11321421321042 is a wasteful number, since it uses less digits than its factorization.

11321421321042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89852550182 (or 89852550179 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 11321421321042 its reverse (24012312412311), we get a palindrome (35333733733353).

The spelling of 11321421321042 in words is "eleven trillion, three hundred twenty-one billion, four hundred twenty-one million, three hundred twenty-one thousand, forty-two".