211220303221202 has 16 divisors (see below), whose sum is σ = 345636070045632. Its totient is φ = 96008438016720.

The previous prime is 211220303221171. The next prime is 211220303221231. The reversal of 211220303221202 is 202122303022112.

It is a happy number.

It is a super-2 number, since 2×211220303221202² (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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36799853 + ... + 42150560.

It is an arithmetic number, because the mean of its divisors is an integer number (21602254377852).

Almost surely, 2^{211220303221202} is an apocalyptic number.

211220303221202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211220303221202 is a deficient number, since it is larger than the sum of its proper divisors (134415766824430).

211220303221202 is a wasteful number, since it uses less digits than its factorization.

211220303221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79072033.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 211220303221202 its reverse (202122303022112), we get a palindrome (413342606243314).

The spelling of 211220303221202 in words is "two hundred eleven trillion, two hundred twenty billion, three hundred three million, two hundred twenty-one thousand, two hundred two".