1210221102011 has 16 divisors (see below), whose sum is σ = 1232604155328. Its totient is φ = 1188084412800.

The previous prime is 1210221101993. The next prime is 1210221102029. The reversal of 1210221102011 is 1102011220121.

It is an interprime number because it is at equal distance from previous prime (1210221101993) and next prime (1210221102029).

It is a cyclic number.

It is not a de Polignac number, because 1210221102011 - 2¹⁴ = 1210221085627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1210221182011) 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, 5807441 + ... + 6012221.

It is an arithmetic number, because the mean of its divisors is an integer number (77037759708).

Almost surely, 2^{1210221102011} is an apocalyptic number.

1210221102011 is a deficient number, since it is larger than the sum of its proper divisors (22383053317).

1210221102011 is a wasteful number, since it uses less digits than its factorization.

1210221102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205382.

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

Adding to 1210221102011 its reverse (1102011220121), we get a palindrome (2312232322132).

The spelling of 1210221102011 in words is "one trillion, two hundred ten billion, two hundred twenty-one million, one hundred two thousand, eleven".