2215031311011 has 8 divisors (see below), whose sum is σ = 2953857604624. Its totient is φ = 1476446279040.

The previous prime is 2215031310971. The next prime is 2215031311021. The reversal of 2215031311011 is 1101131305122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2215031311011 - 2¹⁷ = 2215031179939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2215031311021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60293986 + ... + 60330711.

It is an arithmetic number, because the mean of its divisors is an integer number (369232200578).

Almost surely, 2^{2215031311011} is an apocalyptic number.

2215031311011 is a deficient number, since it is larger than the sum of its proper divisors (738826293613).

2215031311011 is a wasteful number, since it uses less digits than its factorization.

2215031311011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120630821.

The product of its (nonzero) digits is 180, while the sum is 21.

Adding to 2215031311011 its reverse (1101131305122), we get a palindrome (3316162616133).

The spelling of 2215031311011 in words is "two trillion, two hundred fifteen billion, thirty-one million, three hundred eleven thousand, eleven".