211021211022202 has 16 divisors (see below), whose sum is σ = 361773582648192. Its totient is φ = 90431928071280.

The previous prime is 211021211022163. The next prime is 211021211022203. The reversal of 211021211022202 is 202220112120112.

It is a self number, because there is not a number n which added to its sum of digits gives 211021211022202.

It is not an unprimeable number, because it can be changed into a prime (211021211022203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477587574 + ... + 478029217.

It is an arithmetic number, because the mean of its divisors is an integer number (22610848915512).

Almost surely, 2^{211021211022202} is an apocalyptic number.

211021211022202 is a deficient number, since it is larger than the sum of its proper divisors (150752371625990).

211021211022202 is a wasteful number, since it uses less digits than its factorization.

211021211022202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955632573.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211021211022202 its reverse (202220112120112), we get a palindrome (413241323142314).

The spelling of 211021211022202 in words is "two hundred eleven trillion, twenty-one billion, two hundred eleven million, twenty-two thousand, two hundred two".