3802121220202 has 16 divisors (see below), whose sum is σ = 5706072737280. Its totient is φ = 1900097149392.

The previous prime is 3802121220151. The next prime is 3802121220217. The reversal of 3802121220202 is 2020221212083.

It is a super-2 number, since 2×3802121220202² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50685199 + ... + 50760157.

It is an arithmetic number, because the mean of its divisors is an integer number (356629546080).

Almost surely, 2^{3802121220202} is an apocalyptic number.

3802121220202 is a deficient number, since it is larger than the sum of its proper divisors (1903951517078).

3802121220202 is a wasteful number, since it uses less digits than its factorization.

3802121220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87477.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 3802121220202 its reverse (2020221212083), we get a palindrome (5822342432285).

The spelling of 3802121220202 in words is "three trillion, eight hundred two billion, one hundred twenty-one million, two hundred twenty thousand, two hundred two".