11220211101121 has 32 divisors (see below), whose sum is σ = 13223498883840. Its totient is φ = 9407136768000.

The previous prime is 11220211101067. The next prime is 11220211101131. The reversal of 11220211101121 is 12110111202211.

It is not a de Polignac number, because 11220211101121 - 2³¹ = 11218063617473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11220211101095 and 11220211101104.

It is not an unprimeable number, because it can be changed into a prime (11220211101131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1230181 + ... + 4894258.

It is an arithmetic number, because the mean of its divisors is an integer number (413234340120).

Almost surely, 2^{11220211101121} is an apocalyptic number.

11220211101121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11220211101121 is a deficient number, since it is larger than the sum of its proper divisors (2003287782719).

11220211101121 is a wasteful number, since it uses less digits than its factorization.

11220211101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6124665.

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

Adding to 11220211101121 its reverse (12110111202211), we get a palindrome (23330322303332).

The spelling of 11220211101121 in words is "eleven trillion, two hundred twenty billion, two hundred eleven million, one hundred one thousand, one hundred twenty-one".