12201011210101 has 4 divisors (see below), whose sum is σ = 13944012811552. Its totient is φ = 10458009608652.

The previous prime is 12201011210099. The next prime is 12201011210183. The reversal of 12201011210101 is 10101211010221.

It is a happy number.

12201011210101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12201011210101 - 2¹ = 12201011210099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201011210701) 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, 871500800715 + ... + 871500800728.

It is an arithmetic number, because the mean of its divisors is an integer number (3486003202888).

Almost surely, 2^{12201011210101} is an apocalyptic number.

It is an amenable number.

12201011210101 is a deficient number, since it is larger than the sum of its proper divisors (1743001601451).

12201011210101 is an equidigital number, since it uses as much as digits as its factorization.

12201011210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743001601450.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12201011210101 its reverse (10101211010221), we get a palindrome (22302222220322).

The spelling of 12201011210101 in words is "twelve trillion, two hundred one billion, eleven million, two hundred ten thousand, one hundred one".