1121121211010 has 64 divisors (see below), whose sum is σ = 2183882166144. Its totient is φ = 412854912000.

The previous prime is 1121121211003. The next prime is 1121121211019. The reversal of 1121121211010 is 101121211211.

It is not an unprimeable number, because it can be changed into a prime (1121121211019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1031765 + ... + 1818455.

It is an arithmetic number, because the mean of its divisors is an integer number (34123158846).

Almost surely, 2^{1121121211010} is an apocalyptic number.

1121121211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121121211010 is a deficient number, since it is larger than the sum of its proper divisors (1062760955134).

1121121211010 is a wasteful number, since it uses less digits than its factorization.

1121121211010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786899.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1121121211010 its reverse (101121211211), we get a palindrome (1222242422221).

The spelling of 1121121211010 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-one million, two hundred eleven thousand, ten".