1022401111 has 8 divisors (see below), whose sum is σ = 1075296384. Its totient is φ = 970750560.

The previous prime is 1022401091. The next prime is 1022401123. The reversal of 1022401111 is 1111042201.

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 1022401111 - 2¹³ = 1022392919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022401091 and 1022401100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022401711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309496 + ... + 312781.

It is an arithmetic number, because the mean of its divisors is an integer number (134412048).

Almost surely, 2^1022401111 is an apocalyptic number.

1022401111 is a deficient number, since it is larger than the sum of its proper divisors (52895273).

1022401111 is an equidigital number, since it uses as much as digits as its factorization.

1022401111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622361.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1022401111 is about 31975.0075996864. The cubic root of 1022401111 is about 1007.4119640579.

Adding to 1022401111 its reverse (1111042201), we get a palindrome (2133443312).

The spelling of 1022401111 in words is "one billion, twenty-two million, four hundred one thousand, one hundred eleven".