202102121022211 has 8 divisors (see below), whose sum is σ = 208621933253504. Its totient is φ = 195582333101760.

The previous prime is 202102121022169. The next prime is 202102121022239. The reversal of 202102121022211 is 112220121201202.

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

It is a cyclic number.

It is not a de Polignac number, because 202102121022211 - 2²⁷ = 202101986804483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202102121022311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11636551 + ... + 23229583.

It is an arithmetic number, because the mean of its divisors is an integer number (26077741656688).

Almost surely, 2^{202102121022211} is an apocalyptic number.

202102121022211 is a deficient number, since it is larger than the sum of its proper divisors (6519812231293).

202102121022211 is a wasteful number, since it uses less digits than its factorization.

202102121022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12155421.

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

Adding to 202102121022211 its reverse (112220121201202), we get a palindrome (314322242223413).

The spelling of 202102121022211 in words is "two hundred two trillion, one hundred two billion, one hundred twenty-one million, twenty-two thousand, two hundred eleven".