11210020221111 has 64 divisors (see below), whose sum is σ = 17134603706880. Its totient is φ = 6474847518720.

The previous prime is 11210020221097. The next prime is 11210020221137. The reversal of 11210020221111 is 11112202001211.

It is a happy number.

It is not a de Polignac number, because 11210020221111 - 2¹⁹ = 11210019696823 is a prime.

It is a super-4 number, since 4×11210020221111⁴ (a number of 53 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11210021221111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7344741 + ... + 8738721.

It is an arithmetic number, because the mean of its divisors is an integer number (267728182920).

Almost surely, 2^{11210020221111} is an apocalyptic number.

11210020221111 is a deficient number, since it is larger than the sum of its proper divisors (5924583485769).

11210020221111 is a wasteful number, since it uses less digits than its factorization.

11210020221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394256.

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

Adding to 11210020221111 its reverse (11112202001211), we get a palindrome (22322222222322).

The spelling of 11210020221111 in words is "eleven trillion, two hundred ten billion, twenty million, two hundred twenty-one thousand, one hundred eleven".