11112121021210 has 128 divisors (see below), whose sum is σ = 22246168665600. Its totient is φ = 3962692608000.

The previous prime is 11112121021103. The next prime is 11112121021247. The reversal of 11112121021210 is 1212012121111.

It is a super-3 number, since 3×11112121021210³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3644511766 + ... + 3644514814.

It is an arithmetic number, because the mean of its divisors is an integer number (173798192700).

Almost surely, 2^{11112121021210} is an apocalyptic number.

11112121021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11112121021210 is an abundant number, since it is smaller than the sum of its proper divisors (11134047644390).

11112121021210 is a wasteful number, since it uses less digits than its factorization.

11112121021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6184.

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

Adding to 11112121021210 its reverse (1212012121111), we get a palindrome (12324133142321).

The spelling of 11112121021210 in words is "eleven trillion, one hundred twelve billion, one hundred twenty-one million, twenty-one thousand, two hundred ten".