1010120012201 has 4 divisors (see below), whose sum is σ = 1010164783812. Its totient is φ = 1010075240592.

The previous prime is 1010120012197. The next prime is 1010120012219. The reversal of 1010120012201 is 1022100210101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 107125944601 + 902994067600 = 327301^2 + 950260^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010120012201 - 2² = 1010120012197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010120012801) 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, 22351946 + ... + 22397091.

It is an arithmetic number, because the mean of its divisors is an integer number (252541195953).

Almost surely, 2^{1010120012201} is an apocalyptic number.

It is an amenable number.

1010120012201 is a deficient number, since it is larger than the sum of its proper divisors (44771611).

1010120012201 is an equidigital number, since it uses as much as digits as its factorization.

1010120012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44771610.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1010120012201 its reverse (1022100210101), we get a palindrome (2032220222302).

The spelling of 1010120012201 in words is "one trillion, ten billion, one hundred twenty million, twelve thousand, two hundred one".