1121212222010 has 8 divisors (see below), whose sum is σ = 2018181999636. Its totient is φ = 448484888800.

The previous prime is 1121212221949. The next prime is 1121212222021. The reversal of 1121212222010 is 102222121211.

It can be written as a sum of positive squares in 2 ways, for example, as 1042986285289 + 78225936721 = 1021267^2 + 279689^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1121212222010.

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, 56060611091 + ... + 56060611110.

Almost surely, 2^{1121212222010} is an apocalyptic number.

1121212222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121212222010 is a deficient number, since it is larger than the sum of its proper divisors (896969777626).

1121212222010 is a wasteful number, since it uses less digits than its factorization.

1121212222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112121222208.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1121212222010 its reverse (102222121211), we get a palindrome (1223434343221).

The spelling of 1121212222010 in words is "one trillion, one hundred twenty-one billion, two hundred twelve million, two hundred twenty-two thousand, ten".