1033220121210 has 24 divisors (see below), whose sum is σ = 2686372315380. Its totient is φ = 275525365632.

The previous prime is 1033220121191. The next prime is 1033220121211. The reversal of 1033220121210 is 121210223301.

1033220121210 is a `hidden beast` number, since 1 + 0 + 332 + 2 + 0 + 121 + 210 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 980771334921 + 52448786289 = 990339^2 + 229017^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1033220121211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5740111695 + ... + 5740111874.

Almost surely, 2^{1033220121210} is an apocalyptic number.

1033220121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1033220121210 is an abundant number, since it is smaller than the sum of its proper divisors (1653152194170).

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

1033220121210 is a wasteful number, since it uses less digits than its factorization.

1033220121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11480223582 (or 11480223579 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1033220121210 its reverse (121210223301), we get a palindrome (1154430344511).

The spelling of 1033220121210 in words is "one trillion, thirty-three billion, two hundred twenty million, one hundred twenty-one thousand, two hundred ten".