1021322222340 has 144 divisors (see below), whose sum is σ = 3433902119424. Its totient is φ = 225914572800.

The previous prime is 1021322222279. The next prime is 1021322222351. The reversal of 1021322222340 is 432222231201.

1021322222340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1021322222340.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5511901 + ... + 5694180.

It is an arithmetic number, because the mean of its divisors is an integer number (23846542496).

Almost surely, 2^{1021322222340} is an apocalyptic number.

1021322222340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021322222340 is an abundant number, since it is smaller than the sum of its proper divisors (2412579897084).

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

1021322222340 is a wasteful number, since it uses less digits than its factorization.

1021322222340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11206138 (or 11206129 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1021322222340 its reverse (432222231201), we get a palindrome (1453544453541).

The spelling of 1021322222340 in words is "one trillion, twenty-one billion, three hundred twenty-two million, two hundred twenty-two thousand, three hundred forty".