11020010121211 has 48 divisors (see below), whose sum is σ = 14624102737440. Its totient is φ = 8202455331840.

The previous prime is 11020010121173. The next prime is 11020010121221. The reversal of 11020010121211 is 11212101002011.

It is a happy number.

It is not a de Polignac number, because 11020010121211 - 2¹⁹ = 11020009596923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 11020010121191 and 11020010121200.

It is not an unprimeable number, because it can be changed into a prime (11020010121221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23362881 + ... + 23829901.

It is an arithmetic number, because the mean of its divisors is an integer number (304668807030).

Almost surely, 2^{11020010121211} is an apocalyptic number.

11020010121211 is a deficient number, since it is larger than the sum of its proper divisors (3604092616229).

11020010121211 is a wasteful number, since it uses less digits than its factorization.

11020010121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469244 (or 469237 counting only the distinct ones).

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

Adding to 11020010121211 its reverse (11212101002011), we get a palindrome (22232111123222).

The spelling of 11020010121211 in words is "eleven trillion, twenty billion, ten million, one hundred twenty-one thousand, two hundred eleven".