11220121112010 has 32 divisors (see below), whose sum is σ = 27796945208832. Its totient is φ = 2895515125440.

The previous prime is 11220121111993. The next prime is 11220121112021. The reversal of 11220121112010 is 1021112102211.

It is a happy number.

It is a super-2 number, since 2×11220121112010² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6032322249 + ... + 6032324108.

It is an arithmetic number, because the mean of its divisors is an integer number (868654537776).

Almost surely, 2^{11220121112010} is an apocalyptic number.

11220121112010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11220121112010 is an abundant number, since it is smaller than the sum of its proper divisors (16576824096822).

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

11220121112010 is a wasteful number, since it uses less digits than its factorization.

11220121112010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12064646398.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11220121112010 its reverse (1021112102211), we get a palindrome (12241233214221).

The spelling of 11220121112010 in words is "eleven trillion, two hundred twenty billion, one hundred twenty-one million, one hundred twelve thousand, ten".