1020232211255 has 4 divisors (see below), whose sum is σ = 1224278653512. Its totient is φ = 816185769000.

The previous prime is 1020232211227. The next prime is 1020232211261. The reversal of 1020232211255 is 5521122320201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1020232211255 - 2⁶ = 1020232211191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102023221121 + ... + 102023221130.

It is an arithmetic number, because the mean of its divisors is an integer number (306069663378).

Almost surely, 2^{1020232211255} is an apocalyptic number.

1020232211255 is a deficient number, since it is larger than the sum of its proper divisors (204046442257).

1020232211255 is an equidigital number, since it uses as much as digits as its factorization.

1020232211255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204046442256.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 1020232211255 its reverse (5521122320201), we get a palindrome (6541354531456).

The spelling of 1020232211255 in words is "one trillion, twenty billion, two hundred thirty-two million, two hundred eleven thousand, two hundred fifty-five".