1210101111201 has 16 divisors (see below), whose sum is σ = 1652734220544. Its totient is φ = 787140664464.

The previous prime is 1210101111187. The next prime is 1210101111251. The reversal of 1210101111201 is 1021111010121.

It is not a de Polignac number, because 1210101111201 - 2⁹ = 1210101110689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1210101111251) 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, 4830651 + ... + 5074976.

It is an arithmetic number, because the mean of its divisors is an integer number (103295888784).

Almost surely, 2^{1210101111201} is an apocalyptic number.

It is an amenable number.

1210101111201 is a deficient number, since it is larger than the sum of its proper divisors (442633109343).

1210101111201 is an equidigital number, since it uses as much as digits as its factorization.

1210101111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9906620.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1210101111201 its reverse (1021111010121), we get a palindrome (2231212121322).

The spelling of 1210101111201 in words is "one trillion, two hundred ten billion, one hundred one million, one hundred eleven thousand, two hundred one".