1101000033220 has 24 divisors (see below), whose sum is σ = 2312138032344. Its totient is φ = 440392782336.

The previous prime is 1101000033197. The next prime is 1101000033247. The reversal of 1101000033220 is 223300001011.

It can be written as a sum of positive squares in 4 ways, for example, as 208489039236 + 892510993984 = 456606^2 + 944728^2 .

It is a super-2 number, since 2×1101000033220² (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 1101000033220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 894444 + ... + 1732636.

It is an arithmetic number, because the mean of its divisors is an integer number (96339084681).

Almost surely, 2^{1101000033220} is an apocalyptic number.

1101000033220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101000033220 is an abundant number, since it is smaller than the sum of its proper divisors (1211137999124).

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

1101000033220 is a wasteful number, since it uses less digits than its factorization.

1101000033220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903879 (or 903877 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 1101000033220 its reverse (223300001011), we get a palindrome (1324300034231).

The spelling of 1101000033220 in words is "one trillion, one hundred one billion, thirty-three thousand, two hundred twenty".