1210221000211 has 16 divisors (see below), whose sum is σ = 1294480212480. Its totient is φ = 1128635196480.

The previous prime is 1210221000181. The next prime is 1210221000227. The reversal of 1210221000211 is 1120001220121.

It is a cyclic number.

It is not a de Polignac number, because 1210221000211 - 2⁷ = 1210221000083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1210221000191 and 1210221000200.

It is not an unprimeable number, because it can be changed into a prime (1210221700211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1039180 + ... + 1870918.

It is an arithmetic number, because the mean of its divisors is an integer number (80905013280).

Almost surely, 2^{1210221000211} is an apocalyptic number.

1210221000211 is a deficient number, since it is larger than the sum of its proper divisors (84259212269).

1210221000211 is a wasteful number, since it uses less digits than its factorization.

1210221000211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833346.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1210221000211 its reverse (1120001220121), we get a palindrome (2330222220332).

The spelling of 1210221000211 in words is "one trillion, two hundred ten billion, two hundred twenty-one million, two hundred eleven", and thus it is an aban number.