1121033220210 has 96 divisors (see below), whose sum is σ = 2938341519360. Its totient is φ = 296517158784.

The previous prime is 1121033220191. The next prime is 1121033220269. The reversal of 1121033220210 is 120223301211.

1121033220210 is a `hidden beast` number, since 1 + 121 + 0 + 332 + 2 + 0 + 210 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61861531 + ... + 61879649.

It is an arithmetic number, because the mean of its divisors is an integer number (30607724160).

Almost surely, 2^{1121033220210} is an apocalyptic number.

1121033220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121033220210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1469170759680).

1121033220210 is an abundant number, since it is smaller than the sum of its proper divisors (1817308299150).

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

1121033220210 is a wasteful number, since it uses less digits than its factorization.

1121033220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23672 (or 23669 counting only the distinct ones).

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

Adding to 1121033220210 its reverse (120223301211), we get a palindrome (1241256521421).

The spelling of 1121033220210 in words is "one trillion, one hundred twenty-one billion, thirty-three million, two hundred twenty thousand, two hundred ten".