11121010120210 has 16 divisors (see below), whose sum is σ = 20242737523800. Its totient is φ = 4398421979776.

The previous prime is 11121010120201. The next prime is 11121010120217. The reversal of 11121010120210 is 1202101012111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5944980162289 + 5176029957921 = 2438233^2 + 2275089^2 .

It is not an unprimeable number, because it can be changed into a prime (11121010120217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6247757605 + ... + 6247759384.

Almost surely, 2^{11121010120210} is an apocalyptic number.

11121010120210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11121010120210 is a deficient number, since it is larger than the sum of its proper divisors (9121727403590).

11121010120210 is a wasteful number, since it uses less digits than its factorization.

11121010120210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12495517085.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11121010120210 its reverse (1202101012111), we get a palindrome (12323111132321).

The spelling of 11121010120210 in words is "eleven trillion, one hundred twenty-one billion, ten million, one hundred twenty thousand, two hundred ten".