2121001301301 has 4 divisors (see below), whose sum is σ = 2828001735072. Its totient is φ = 1414000867532.

The previous prime is 2121001301291. The next prime is 2121001301311. The reversal of 2121001301301 is 1031031001212.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (2121001301291) and next prime (2121001301311).

It is a cyclic number.

It is not a de Polignac number, because 2121001301301 - 2¹³ = 2121001293109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121001301311) 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, 353500216881 + ... + 353500216886.

It is an arithmetic number, because the mean of its divisors is an integer number (707000433768).

Almost surely, 2^{2121001301301} is an apocalyptic number.

It is an amenable number.

2121001301301 is a deficient number, since it is larger than the sum of its proper divisors (707000433771).

2121001301301 is an equidigital number, since it uses as much as digits as its factorization.

2121001301301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707000433770.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 2121001301301 its reverse (1031031001212), we get a palindrome (3152032302513).

The spelling of 2121001301301 in words is "two trillion, one hundred twenty-one billion, one million, three hundred one thousand, three hundred one".