1001020313101 has 4 divisors (see below), whose sum is σ = 1001052864604. Its totient is φ = 1000987761600.

The previous prime is 1001020313089. The next prime is 1001020313113. The reversal of 1001020313101 is 1013130201001.

1001020313101 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.

It is an interprime number because it is at equal distance from previous prime (1001020313089) and next prime (1001020313113).

It can be written as a sum of positive squares in 2 ways, for example, as 610389063076 + 390631250025 = 781274^2 + 625005^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001020313101 - 2⁷ = 1001020312973 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 (1001020313131) 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, 16229580 + ... + 16291141.

It is an arithmetic number, because the mean of its divisors is an integer number (250263216151).

Almost surely, 2^{1001020313101} is an apocalyptic number.

It is an amenable number.

1001020313101 is a deficient number, since it is larger than the sum of its proper divisors (32551503).

1001020313101 is an equidigital number, since it uses as much as digits as its factorization.

1001020313101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32551502.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 1001020313101 its reverse (1013130201001), we get a palindrome (2014150514102).

The spelling of 1001020313101 in words is "one trillion, one billion, twenty million, three hundred thirteen thousand, one hundred one".