11021211212011 has 32 divisors (see below), whose sum is σ = 15668163721728. Its totient is φ = 7461030320640.

The previous prime is 11021211211993. The next prime is 11021211212041.

11021211212011 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 11021211212011 - 2¹³ = 11021211203819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11021211212041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 323812425 + ... + 323846458.

It is an arithmetic number, because the mean of its divisors is an integer number (489630116304).

Almost surely, 2^{11021211212011} is an apocalyptic number.

11021211212011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11021211212011 is a deficient number, since it is larger than the sum of its proper divisors (4646952509717).

11021211212011 is a wasteful number, since it uses less digits than its factorization.

11021211212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647658931.

The product of its (nonzero) digits is 16, while the sum is 16.

It can be divided in two parts, 1102121 and 1212011, that added together give a palindrome (2314132).

The spelling of 11021211212011 in words is "eleven trillion, twenty-one billion, two hundred eleven million, two hundred twelve thousand, eleven".