211220120101202 has 8 divisors (see below), whose sum is σ = 320390069816700. Its totient is φ = 104423430162304.

The previous prime is 211220120101183. The next prime is 211220120101247. The reversal of 211220120101202 is 202101021022112.

It can be written as a sum of positive squares in 2 ways, for example, as 183038684414041 + 28181435687161 = 13529179^2 + 5308619^2 .

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

It is a super-2 number, since 2×211220120101202² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593314943927 + ... + 593314944282.

Almost surely, 2^{211220120101202} is an apocalyptic number.

211220120101202 is a deficient number, since it is larger than the sum of its proper divisors (109169949715498).

211220120101202 is a wasteful number, since it uses less digits than its factorization.

211220120101202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186629888300.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211220120101202 its reverse (202101021022112), we get a palindrome (413321141123314).

The spelling of 211220120101202 in words is "two hundred eleven trillion, two hundred twenty billion, one hundred twenty million, one hundred one thousand, two hundred two".