10011222221101 has 4 divisors (see below), whose sum is σ = 10011324145372. Its totient is φ = 10011120296832.

The previous prime is 10011222221047. The next prime is 10011222221111. The reversal of 10011222221101 is 10112222211001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4512544275625 + 5498677945476 = 2124275^2 + 2344926^2 .

It is a cyclic number.

It is not a de Polignac number, because 10011222221101 - 2¹⁹ = 10011221696813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011222221111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50814660 + ... + 51011293.

It is an arithmetic number, because the mean of its divisors is an integer number (2502831036343).

Almost surely, 2^{10011222221101} is an apocalyptic number.

It is an amenable number.

10011222221101 is a deficient number, since it is larger than the sum of its proper divisors (101924271).

10011222221101 is an equidigital number, since it uses as much as digits as its factorization.

10011222221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101924270.

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

Adding to 10011222221101 its reverse (10112222211001), we get a palindrome (20123444432102).

It can be divided in two parts, 1001122 and 2221101, that added together give a palindrome (3222223).

The spelling of 10011222221101 in words is "ten trillion, eleven billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred one".