1011021112211 has 8 divisors (see below), whose sum is σ = 1103012494848. Its totient is φ = 919043125000.

The previous prime is 1011021112207. The next prime is 1011021112229. The reversal of 1011021112211 is 1122111201101.

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

It is not a de Polignac number, because 1011021112211 - 2² = 1011021112207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011021112411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3190715 + ... + 3493236.

It is an arithmetic number, because the mean of its divisors is an integer number (137876561856).

Almost surely, 2^{1011021112211} is an apocalyptic number.

1011021112211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1011021112211 is a deficient number, since it is larger than the sum of its proper divisors (91991382637).

1011021112211 is a wasteful number, since it uses less digits than its factorization.

1011021112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6697713.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1011021112211 its reverse (1122111201101), we get a palindrome (2133132313312).

The spelling of 1011021112211 in words is "one trillion, eleven billion, twenty-one million, one hundred twelve thousand, two hundred eleven".