2221021020202 has 16 divisors (see below), whose sum is σ = 3535922859840. Its totient is φ = 1042691877568.

The previous prime is 2221021020137. The next prime is 2221021020221. The reversal of 2221021020202 is 2020201201222.

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, 77938198 + ... + 77966689.

It is an arithmetic number, because the mean of its divisors is an integer number (220995178740).

Almost surely, 2^{2221021020202} is an apocalyptic number.

2221021020202 is a deficient number, since it is larger than the sum of its proper divisors (1314901839638).

2221021020202 is a wasteful number, since it uses less digits than its factorization.

2221021020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155905325.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2221021020202 its reverse (2020201201222), we get a palindrome (4241222221424).

The spelling of 2221021020202 in words is "two trillion, two hundred twenty-one billion, twenty-one million, twenty thousand, two hundred two".