211020222002202 has 24 divisors (see below), whose sum is σ = 459107619939540. Its totient is φ = 70048206472320.

The previous prime is 211020222002197. The next prime is 211020222002243. The reversal of 211020222002202 is 202200222020112.

211020222002202 is a `hidden beast` number, since 21 + 1 + 0 + 202 + 220 + 0 + 220 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 166142535757641 + 44877686244561 = 12889629^2 + 6699081^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24322289577 + ... + 24322298252.

Almost surely, 2^{211020222002202} is an apocalyptic number.

211020222002202 is an abundant number, since it is smaller than the sum of its proper divisors (248087397937338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211020222002202 is a wasteful number, since it uses less digits than its factorization.

211020222002202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48644588078 (or 48644588075 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 211020222002202 its reverse (202200222020112), we get a palindrome (413220444022314).

The spelling of 211020222002202 in words is "two hundred eleven trillion, twenty billion, two hundred twenty-two million, two thousand, two hundred two".