1010212221211 has 4 divisors (see below), whose sum is σ = 1015501290624. Its totient is φ = 1004923151800.

The previous prime is 1010212221203. The next prime is 1010212221241. The reversal of 1010212221211 is 1121222120101.

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 1010212221211 - 2³ = 1010212221203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010212221241) 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, 2644534420 + ... + 2644534801.

It is an arithmetic number, because the mean of its divisors is an integer number (253875322656).

Almost surely, 2^{1010212221211} is an apocalyptic number.

1010212221211 is a deficient number, since it is larger than the sum of its proper divisors (5289069413).

1010212221211 is an equidigital number, since it uses as much as digits as its factorization.

1010212221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5289069412.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1010212221211 its reverse (1121222120101), we get a palindrome (2131434341312).

It can be divided in two parts, 101021 and 2221211, that added together give a palindrome (2322232).

The spelling of 1010212221211 in words is "one trillion, ten billion, two hundred twelve million, two hundred twenty-one thousand, two hundred eleven".