11220021121010 has 32 divisors (see below), whose sum is σ = 21750329018880. Its totient is φ = 4142634245568.

The previous prime is 11220021121009. The next prime is 11220021121051. The reversal of 11220021121010 is 1012112002211.

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, 2336711 + ... + 5282069.

It is an arithmetic number, because the mean of its divisors is an integer number (679697781840).

Almost surely, 2^{11220021121010} is an apocalyptic number.

11220021121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11220021121010 is a deficient number, since it is larger than the sum of its proper divisors (10530307897870).

11220021121010 is a wasteful number, since it uses less digits than its factorization.

11220021121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2974682.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11220021121010 its reverse (1012112002211), we get a palindrome (12232133123221).

The spelling of 11220021121010 in words is "eleven trillion, two hundred twenty billion, twenty-one million, one hundred twenty-one thousand, ten".