1602111010621 has 8 divisors (see below), whose sum is σ = 1748407464000. Its totient is φ = 1455922890240.

The previous prime is 1602111010613. The next prime is 1602111010639. The reversal of 1602111010621 is 1260101112061.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1602111010621 - 2³ = 1602111010613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1602111010592 and 1602111010601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1602111070621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27052321 + ... + 27111478.

It is an arithmetic number, because the mean of its divisors is an integer number (218550933000).

Almost surely, 2^{1602111010621} is an apocalyptic number.

1602111010621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1602111010621 is a deficient number, since it is larger than the sum of its proper divisors (146296453379).

1602111010621 is a wasteful number, since it uses less digits than its factorization.

1602111010621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54166499.

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 1602111010621 its reverse (1260101112061), we get a palindrome (2862212122682).

The spelling of 1602111010621 in words is "one trillion, six hundred two billion, one hundred eleven million, ten thousand, six hundred twenty-one".