1011010101211 has 8 divisors (see below), whose sum is σ = 1123729924464. Its totient is φ = 901758580320.

The previous prime is 1011010101203. The next prime is 1011010101289. The reversal of 1011010101211 is 1121010101101.

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

It is a cyclic number.

It is not a de Polignac number, because 1011010101211 - 2³ = 1011010101203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011010101911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 867074976 + ... + 867076141.

It is an arithmetic number, because the mean of its divisors is an integer number (140466240558).

Almost surely, 2^{1011010101211} is an apocalyptic number.

1011010101211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1011010101211 is a deficient number, since it is larger than the sum of its proper divisors (112719823253).

1011010101211 is a wasteful number, since it uses less digits than its factorization.

1011010101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734151181.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 1011010101211 its reverse (1121010101101), we get a palindrome (2132020202312).

The spelling of 1011010101211 in words is "one trillion, eleven billion, ten million, one hundred one thousand, two hundred eleven".