1210102021211 has 16 divisors (see below), whose sum is σ = 1264592217600. Its totient is φ = 1155768998208.

The previous prime is 1210102021153. The next prime is 1210102021237. The reversal of 1210102021211 is 1121202010121.

It is a cyclic number.

It is not a de Polignac number, because 1210102021211 - 2¹⁰ = 1210102020187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210102051211) 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, 131714360 + ... + 131723546.

It is an arithmetic number, because the mean of its divisors is an integer number (79037013600).

Almost surely, 2^{1210102021211} is an apocalyptic number.

1210102021211 is a deficient number, since it is larger than the sum of its proper divisors (54490196389).

1210102021211 is an equidigital number, since it uses as much as digits as its factorization.

1210102021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17098.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1210102021211 its reverse (1121202010121), we get a palindrome (2331304031332).

The spelling of 1210102021211 in words is "one trillion, two hundred ten billion, one hundred two million, twenty-one thousand, two hundred eleven".