1111112122010 has 48 divisors (see below), whose sum is σ = 2198846607048. Its totient is φ = 403949335680.

The previous prime is 1111112121991. The next prime is 1111112122067. The reversal of 1111112122010 is 102212111111.

It can be written as a sum of positive squares in 4 ways, for example, as 680824664641 + 430287457369 = 825121^2 + 655963^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5363924 + ... + 5567216.

Almost surely, 2^{1111112122010} is an apocalyptic number.

1111112122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111112122010 is a deficient number, since it is larger than the sum of its proper divisors (1087734485038).

1111112122010 is a wasteful number, since it uses less digits than its factorization.

1111112122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207839 (or 207828 counting only the distinct ones).

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

Adding to 1111112122010 its reverse (102212111111), we get a palindrome (1213324233121).

It can be divided in two parts, 11111 and 12122010, that added together give a palindrome (12133121).

The spelling of 1111112122010 in words is "one trillion, one hundred eleven billion, one hundred twelve million, one hundred twenty-two thousand, ten".