1022401113420 has 48 divisors (see below), whose sum is σ = 2862922406400. Its totient is φ = 272621317056.

The previous prime is 1022401113379. The next prime is 1022401113421. The reversal of 1022401113420 is 243111042201.

It is not an unprimeable number, because it can be changed into a prime (1022401113421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286731 + ... + 1458429.

It is an arithmetic number, because the mean of its divisors is an integer number (59644216800).

Almost surely, 2^{1022401113420} is an apocalyptic number.

1022401113420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022401113420 is an abundant number, since it is smaller than the sum of its proper divisors (1840521292980).

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

1022401113420 is a wasteful number, since it uses less digits than its factorization.

1022401113420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186254 (or 1186252 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1022401113420 its reverse (243111042201), we get a palindrome (1265512155621).

The spelling of 1022401113420 in words is "one trillion, twenty-two billion, four hundred one million, one hundred thirteen thousand, four hundred twenty".