1010101122211 has 4 divisors (see below), whose sum is σ = 1010143553400. Its totient is φ = 1010058691024.

The previous prime is 1010101122143. The next prime is 1010101122223. The reversal of 1010101122211 is 1122211010101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1010101122211 - 2¹⁵ = 1010101089443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010101122191 and 1010101122200.

It is not an unprimeable number, because it can be changed into a prime (1010101122281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21179866 + ... + 21227503.

It is an arithmetic number, because the mean of its divisors is an integer number (252535888350).

Almost surely, 2^{1010101122211} is an apocalyptic number.

1010101122211 is a deficient number, since it is larger than the sum of its proper divisors (42431189).

1010101122211 is an equidigital number, since it uses as much as digits as its factorization.

1010101122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42431188.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1010101122211 its reverse (1122211010101), we get a palindrome (2132312132312).

It can be divided in two parts, 101010 and 1122211, that added together give a palindrome (1223221).

The spelling of 1010101122211 in words is "one trillion, ten billion, one hundred one million, one hundred twenty-two thousand, two hundred eleven".