2201021121202 has 16 divisors (see below), whose sum is σ = 3318981422040. Its totient is φ = 1094695160832.

The previous prime is 2201021121191. The next prime is 2201021121217. The reversal of 2201021121202 is 2021211201022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1554088850161 + 646932271041 = 1246631^2 + 804321^2 .

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, 3503928 + ... + 4084060.

Almost surely, 2^{2201021121202} is an apocalyptic number.

2201021121202 is a deficient number, since it is larger than the sum of its proper divisors (1117960300838).

2201021121202 is a wasteful number, since it uses less digits than its factorization.

2201021121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590157.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2201021121202 its reverse (2021211201022), we get a palindrome (4222232322224).

The spelling of 2201021121202 in words is "two trillion, two hundred one billion, twenty-one million, one hundred twenty-one thousand, two hundred two".