2011121105707 has 16 divisors (see below), whose sum is σ = 2339085368320. Its totient is φ = 1693462370688.

The previous prime is 2011121105677. The next prime is 2011121105713. The reversal of 2011121105707 is 7075011211102.

It is a cyclic number.

It is not a de Polignac number, because 2011121105707 - 2¹¹ = 2011121103659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011121505707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5669982 + ... + 6014227.

It is an arithmetic number, because the mean of its divisors is an integer number (146192835520).

Almost surely, 2^{2011121105707} is an apocalyptic number.

2011121105707 is a deficient number, since it is larger than the sum of its proper divisors (327964262613).

2011121105707 is a wasteful number, since it uses less digits than its factorization.

2011121105707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11684650.

The product of its (nonzero) digits is 980, while the sum is 28.

Adding to 2011121105707 its reverse (7075011211102), we get a palindrome (9086132316809).

The spelling of 2011121105707 in words is "two trillion, eleven billion, one hundred twenty-one million, one hundred five thousand, seven hundred seven".