1122020021123 has 2 divisors, whose sum is σ = 1122020021124. Its totient is φ = 1122020021122.

The previous prime is 1122020021107. The next prime is 1122020021147. The reversal of 1122020021123 is 3211200202211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1122020021123 - 2⁴ = 1122020021107 is a prime.

It is a super-2 number, since 2×1122020021123² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1122020621123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561010010561 + 561010010562.

It is an arithmetic number, because the mean of its divisors is an integer number (561010010562).

Almost surely, 2^{1122020021123} is an apocalyptic number.

1122020021123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122020021123 is an equidigital number, since it uses as much as digits as its factorization.

1122020021123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1122020021123 its reverse (3211200202211), we get a palindrome (4333220223334).

The spelling of 1122020021123 in words is "one trillion, one hundred twenty-two billion, twenty million, twenty-one thousand, one hundred twenty-three".