11021221112010 has 16 divisors (see below), whose sum is σ = 26450930668896. Its totient is φ = 2938992296528.

The previous prime is 11021221111997. The next prime is 11021221112071. The reversal of 11021221112010 is 1021112212011.

It is a happy number.

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

It is a Curzon number.

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, 183687018504 + ... + 183687018563.

It is an arithmetic number, because the mean of its divisors is an integer number (1653183166806).

Almost surely, 2^{11021221112010} is an apocalyptic number.

11021221112010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11021221112010 is an abundant number, since it is smaller than the sum of its proper divisors (15429709556886).

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

11021221112010 is a wasteful number, since it uses less digits than its factorization.

11021221112010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367374037077.

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

Adding to 11021221112010 its reverse (1021112212011), we get a palindrome (12042333324021).

The spelling of 11021221112010 in words is "eleven trillion, twenty-one billion, two hundred twenty-one million, one hundred twelve thousand, ten".