1023211054550 has 12 divisors (see below), whose sum is σ = 1903172561556. Its totient is φ = 409284421800.

The previous prime is 1023211054549. The next prime is 1023211054583. The reversal of 1023211054550 is 554501123201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10232110496 + ... + 10232110595.

It is an arithmetic number, because the mean of its divisors is an integer number (158597713463).

Almost surely, 2^{1023211054550} is an apocalyptic number.

1023211054550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1023211054550 is a deficient number, since it is larger than the sum of its proper divisors (879961507006).

1023211054550 is a wasteful number, since it uses less digits than its factorization.

1023211054550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20464221103 (or 20464221098 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 1023211054550 its reverse (554501123201), we get a palindrome (1577712177751).

The spelling of 1023211054550 in words is "one trillion, twenty-three billion, two hundred eleven million, fifty-four thousand, five hundred fifty".