1011022111211 has 16 divisors (see below), whose sum is σ = 1167522385344. Its totient is φ = 857541371904.

The previous prime is 1011022111189. The next prime is 1011022111237. The reversal of 1011022111211 is 1121112201101.

It is a de Polignac number, because none of the positive numbers 2^k-1011022111211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011022111261) 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 15 ways as a sum of consecutive naturals, for example, 5168261 + ... + 5360313.

It is an arithmetic number, because the mean of its divisors is an integer number (72970149084).

Almost surely, 2^{1011022111211} is an apocalyptic number.

1011022111211 is a deficient number, since it is larger than the sum of its proper divisors (156500274133).

1011022111211 is an equidigital number, since it uses as much as digits as its factorization.

1011022111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199910.

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

Adding to 1011022111211 its reverse (1121112201101), we get a palindrome (2132134312312).

The spelling of 1011022111211 in words is "one trillion, eleven billion, twenty-two million, one hundred eleven thousand, two hundred eleven".