11110021010001 has 6 divisors (see below), whose sum is σ = 16047808125570. Its totient is φ = 7406680673328.

The previous prime is 11110021009993. The next prime is 11110021010017. The reversal of 11110021010001 is 10001012001111.

It can be written as a sum of positive squares in only one way, i.e., 9005130731025 + 2104890278976 = 3000855^2 + 1450824^2 .

It is not a de Polignac number, because 11110021010001 - 2³ = 11110021009993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1234446778889 = 11110021010001 / (1 + 1 + 1 + 1 + 0 + 0 + 2 + 1 + 0 + 1 + 0 + 0 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (11110021010041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 617223389436 + ... + 617223389453.

It is an arithmetic number, because the mean of its divisors is an integer number (2674634687595).

Almost surely, 2^{11110021010001} is an apocalyptic number.

It is an amenable number.

11110021010001 is a deficient number, since it is larger than the sum of its proper divisors (4937787115569).

11110021010001 is a wasteful number, since it uses less digits than its factorization.

11110021010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234446778895 (or 1234446778892 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 11110021010001 its reverse (10001012001111), we get a palindrome (21111033011112).

The spelling of 11110021010001 in words is "eleven trillion, one hundred ten billion, twenty-one million, ten thousand, one".