11222120021101 has 12 divisors (see below), whose sum is σ = 12797729592480. Its totient is φ = 9758365230680.

The previous prime is 11222120021087. The next prime is 11222120021113. The reversal of 11222120021101 is 10112002122211.

It is not a de Polignac number, because 11222120021101 - 2²⁹ = 11221583150189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222120021501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 964259521 + ... + 964271158.

It is an arithmetic number, because the mean of its divisors is an integer number (1066477466040).

Almost surely, 2^{11222120021101} is an apocalyptic number.

11222120021101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11222120021101 is a deficient number, since it is larger than the sum of its proper divisors (1575609571379).

11222120021101 is a wasteful number, since it uses less digits than its factorization.

11222120021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928530736 (or 1928530713 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11222120021101 its reverse (10112002122211), we get a palindrome (21334122143312).

The spelling of 11222120021101 in words is "eleven trillion, two hundred twenty-two billion, one hundred twenty million, twenty-one thousand, one hundred one".