2011021012011 has 32 divisors (see below), whose sum is σ = 2927799705600. Its totient is φ = 1217685250080.

The previous prime is 2011021012001. The next prime is 2011021012037. The reversal of 2011021012011 is 1102101201102.

It is not a de Polignac number, because 2011021012011 - 2¹³ = 2011021003819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2011021012001) 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, 238862760 + ... + 238871178.

It is an arithmetic number, because the mean of its divisors is an integer number (91493740800).

Almost surely, 2^{2011021012011} is an apocalyptic number.

2011021012011 is a deficient number, since it is larger than the sum of its proper divisors (916778693589).

2011021012011 is a wasteful number, since it uses less digits than its factorization.

2011021012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14199.

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

Adding to 2011021012011 its reverse (1102101201102), we get a palindrome (3113122213113).

The spelling of 2011021012011 in words is "two trillion, eleven billion, twenty-one million, twelve thousand, eleven".