1121002222210 has 64 divisors (see below), whose sum is σ = 2235254434560. Its totient is φ = 402217793280.

The previous prime is 1121002222201. The next prime is 1121002222211. The reversal of 1121002222210 is 122222001211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1121002222211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193390 + ... + 1509769.

It is an arithmetic number, because the mean of its divisors is an integer number (34925850540).

Almost surely, 2^{1121002222210} is an apocalyptic number.

1121002222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121002222210 is a deficient number, since it is larger than the sum of its proper divisors (1114252212350).

1121002222210 is a wasteful number, since it uses less digits than its factorization.

1121002222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703323.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1121002222210 its reverse (122222001211), we get a palindrome (1243224223421).

The spelling of 1121002222210 in words is "one trillion, one hundred twenty-one billion, two million, two hundred twenty-two thousand, two hundred ten".