211202202020122 has 8 divisors (see below), whose sum is σ = 327727554858900. Its totient is φ = 101959683733824.

The previous prime is 211202202020119. The next prime is 211202202020141. The reversal of 211202202020122 is 221020202202112.

It can be written as a sum of positive squares in 2 ways, for example, as 189633803436081 + 21568398584041 = 13770759^2 + 4644179^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 211202202020122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1820708638047 + ... + 1820708638162.

Almost surely, 2^{211202202020122} is an apocalyptic number.

211202202020122 is a deficient number, since it is larger than the sum of its proper divisors (116525352838778).

211202202020122 is a wasteful number, since it uses less digits than its factorization.

211202202020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3641417276240.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 211202202020122 its reverse (221020202202112), we get a palindrome (432222404222234).

The spelling of 211202202020122 in words is "two hundred eleven trillion, two hundred two billion, two hundred two million, twenty thousand, one hundred twenty-two".