2100000220202 has 4 divisors (see below), whose sum is σ = 3150000330306. Its totient is φ = 1050000110100.

The previous prime is 2100000220117. The next prime is 2100000220243. The reversal of 2100000220202 is 2020220000012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1724465349721 + 375534870481 = 1313189^2 + 612809^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525000055049 + ... + 525000055052.

Almost surely, 2^{2100000220202} is an apocalyptic number.

2100000220202 is a deficient number, since it is larger than the sum of its proper divisors (1050000110104).

2100000220202 is a wasteful number, since it uses less digits than its factorization.

2100000220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050000110103.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 2100000220202 its reverse (2020220000012), we get a palindrome (4120220220214).

The spelling of 2100000220202 in words is "two trillion, one hundred billion, two hundred twenty thousand, two hundred two".