11121111021010 has 16 divisors (see below), whose sum is σ = 20018697287616. Its totient is φ = 4448289419568.

The previous prime is 11121111020923. The next prime is 11121111021071. The reversal of 11121111021010 is 1012011112111.

It is a super-2 number, since 2×11121111021010² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19072014 + ... + 19646473.

It is an arithmetic number, because the mean of its divisors is an integer number (1251168580476).

Almost surely, 2^{11121111021010} is an apocalyptic number.

11121111021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11121111021010 is a deficient number, since it is larger than the sum of its proper divisors (8897586266606).

11121111021010 is a wasteful number, since it uses less digits than its factorization.

11121111021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38747217.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11121111021010 its reverse (1012011112111), we get a palindrome (12133122133121).

The spelling of 11121111021010 in words is "eleven trillion, one hundred twenty-one billion, one hundred eleven million, twenty-one thousand, ten".