11010021122101 has 4 divisors (see below), whose sum is σ = 11020932937900. Its totient is φ = 10999109306304.

The previous prime is 11010021122071. The next prime is 11010021122143. The reversal of 11010021122101 is 10122112001011.

It is a happy number.

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 1965957319876 + 9044063802225 = 1402126^2 + 3007335^2 .

It is a cyclic number.

It is not a de Polignac number, because 11010021122101 - 2⁷ = 11010021121973 is a prime.

It is a super-2 number, since 2×11010021122101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010021122501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5455906386 + ... + 5455908403.

It is an arithmetic number, because the mean of its divisors is an integer number (2755233234475).

Almost surely, 2^{11010021122101} is an apocalyptic number.

It is an amenable number.

11010021122101 is a deficient number, since it is larger than the sum of its proper divisors (10911815799).

11010021122101 is a wasteful number, since it uses less digits than its factorization.

11010021122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10911815798.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11010021122101 its reverse (10122112001011), we get a palindrome (21132133123112).

The spelling of 11010021122101 in words is "eleven trillion, ten billion, twenty-one million, one hundred twenty-two thousand, one hundred one".