1011011212211 has 64 divisors (see below), whose sum is σ = 1372108308480. Its totient is φ = 719359194240.

The previous prime is 1011011212193. The next prime is 1011011212219. The reversal of 1011011212211 is 1122121101101.

It is a cyclic number.

It is not a de Polignac number, because 1011011212211 - 2¹⁴ = 1011011195827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011011212219) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 105057146 + ... + 105066768.

It is an arithmetic number, because the mean of its divisors is an integer number (21439192320).

Almost surely, 2^{1011011212211} is an apocalyptic number.

1011011212211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1011011212211 is a deficient number, since it is larger than the sum of its proper divisors (361097096269).

1011011212211 is a wasteful number, since it uses less digits than its factorization.

1011011212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10776.

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

Adding to 1011011212211 its reverse (1122121101101), we get a palindrome (2133132313312).

The spelling of 1011011212211 in words is "one trillion, eleven billion, eleven million, two hundred twelve thousand, two hundred eleven".