1122121100010 has 32 divisors (see below), whose sum is σ = 2851507737792. Its totient is φ = 281630393600.

The previous prime is 1122121099937. The next prime is 1122121100047. The reversal of 1122121100010 is 100011212211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1100118216 + ... + 1100119235.

It is an arithmetic number, because the mean of its divisors is an integer number (89109616806).

Almost surely, 2^{1122121100010} is an apocalyptic number.

1122121100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1122121100010 is an abundant number, since it is smaller than the sum of its proper divisors (1729386637782).

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

1122121100010 is a wasteful number, since it uses less digits than its factorization.

1122121100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200237478.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1122121100010 its reverse (100011212211), we get a palindrome (1222132312221).

The spelling of 1122121100010 in words is "one trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred thousand, ten".