1121122221010 has 64 divisors (see below), whose sum is σ = 2223715845888. Its totient is φ = 403564000000.

The previous prime is 1121122220989. The next prime is 1121122221061. The reversal of 1121122221010 is 101222211211.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110439435 + ... + 110449585.

It is an arithmetic number, because the mean of its divisors is an integer number (34745560092).

Almost surely, 2^{1121122221010} is an apocalyptic number.

1121122221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121122221010 is a deficient number, since it is larger than the sum of its proper divisors (1102593624878).

1121122221010 is a wasteful number, since it uses less digits than its factorization.

1121122221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20211.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1121122221010 its reverse (101222211211), we get a palindrome (1222344432221).

The spelling of 1121122221010 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred twenty-one thousand, ten".