1020322221123 has 16 divisors (see below), whose sum is σ = 1419630094080. Its totient is φ = 650616720864.

The previous prime is 1020322221119. The next prime is 1020322221137. The reversal of 1020322221123 is 3211222230201.

It is not a de Polignac number, because 1020322221123 - 2² = 1020322221119 is a prime.

It is a super-2 number, since 2×1020322221123² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1020322221123.

It is not an unprimeable number, because it can be changed into a prime (1020322221923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1764933 + ... + 2270601.

It is an arithmetic number, because the mean of its divisors is an integer number (88726880880).

Almost surely, 2^{1020322221123} is an apocalyptic number.

1020322221123 is a deficient number, since it is larger than the sum of its proper divisors (399307872957).

1020322221123 is a wasteful number, since it uses less digits than its factorization.

1020322221123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534938.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1020322221123 its reverse (3211222230201), we get a palindrome (4231544451324).

The spelling of 1020322221123 in words is "one trillion, twenty billion, three hundred twenty-two million, two hundred twenty-one thousand, one hundred twenty-three".