11012010001221 has 8 divisors (see below), whose sum is σ = 14691649269024. Its totient is φ = 7336855367120.

The previous prime is 11012010001199. The next prime is 11012010001271. The reversal of 11012010001221 is 12210001021011.

11012010001221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11012010001221 - 2⁷ = 11012010001093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11012010001197 and 11012010001206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012010001271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1121152695 + ... + 1121162516.

It is an arithmetic number, because the mean of its divisors is an integer number (1836456158628).

Almost surely, 2^{11012010001221} is an apocalyptic number.

It is an amenable number.

11012010001221 is a deficient number, since it is larger than the sum of its proper divisors (3679639267803).

11012010001221 is a wasteful number, since it uses less digits than its factorization.

11012010001221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242316851.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11012010001221 its reverse (12210001021011), we get a palindrome (23222011022232).

The spelling of 11012010001221 in words is "eleven trillion, twelve billion, ten million, one thousand, two hundred twenty-one".