11021012022111 has 64 divisors (see below), whose sum is σ = 18595249483776. Its totient is φ = 5650564147200.

The previous prime is 11021012022109. The next prime is 11021012022121. The reversal of 11021012022111 is 11122021012011.

It is a happy number.

It is not a de Polignac number, because 11021012022111 - 2¹ = 11021012022109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021012022121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1216635 + ... + 4849971.

It is an arithmetic number, because the mean of its divisors is an integer number (290550773184).

Almost surely, 2^{11021012022111} is an apocalyptic number.

11021012022111 is a deficient number, since it is larger than the sum of its proper divisors (7574237461665).

11021012022111 is a wasteful number, since it uses less digits than its factorization.

11021012022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3633672.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11021012022111 its reverse (11122021012011), we get a palindrome (22143033034122).

The spelling of 11021012022111 in words is "eleven trillion, twenty-one billion, twelve million, twenty-two thousand, one hundred eleven".