1021202050413 has 4 divisors (see below), whose sum is σ = 1361602733888. Its totient is φ = 680801366940.

The previous prime is 1021202050409. The next prime is 1021202050439. The reversal of 1021202050413 is 3140502021201.

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 not a de Polignac number, because 1021202050413 - 2² = 1021202050409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1021202050413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021202550413) 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, 170200341733 + ... + 170200341738.

It is an arithmetic number, because the mean of its divisors is an integer number (340400683472).

Almost surely, 2^{1021202050413} is an apocalyptic number.

It is an amenable number.

1021202050413 is a deficient number, since it is larger than the sum of its proper divisors (340400683475).

1021202050413 is an equidigital number, since it uses as much as digits as its factorization.

1021202050413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340400683474.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 1021202050413 its reverse (3140502021201), we get a palindrome (4161704071614).

The spelling of 1021202050413 in words is "one trillion, twenty-one billion, two hundred two million, fifty thousand, four hundred thirteen".