11101210011021 has 64 divisors (see below), whose sum is σ = 17318270559744. Its totient is φ = 6270602342400.

The previous prime is 11101210010951. The next prime is 11101210011053. The reversal of 11101210011021 is 12011001210111.

It is not a de Polignac number, because 11101210011021 - 2⁷ = 11101210010893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11101210010988 and 11101210011006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101210011721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 230800 + ... + 4717593.

It is an arithmetic number, because the mean of its divisors is an integer number (270597977496).

Almost surely, 2^{11101210011021} is an apocalyptic number.

It is an amenable number.

11101210011021 is a deficient number, since it is larger than the sum of its proper divisors (6217060548723).

11101210011021 is a wasteful number, since it uses less digits than its factorization.

11101210011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4948534.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11101210011021 its reverse (12011001210111), we get a palindrome (23112211221132).

The spelling of 11101210011021 in words is "eleven trillion, one hundred one billion, two hundred ten million, eleven thousand, twenty-one".