10212212021211 has 24 divisors (see below), whose sum is σ = 15299644427184. Its totient is φ = 6558551985600.

The previous prime is 10212212021191. The next prime is 10212212021239. The reversal of 10212212021211 is 11212021221201.

10212212021211 is a `hidden beast` number, since 10 + 21 + 221 + 202 + 1 + 211 = 666.

It is not a de Polignac number, because 10212212021211 - 2⁶ = 10212212021147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10212212021251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151784701 + ... + 151851966.

It is an arithmetic number, because the mean of its divisors is an integer number (637485184466).

Almost surely, 2^{10212212021211} is an apocalyptic number.

10212212021211 is a deficient number, since it is larger than the sum of its proper divisors (5087432405973).

10212212021211 is a wasteful number, since it uses less digits than its factorization.

10212212021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303636811 (or 303636808 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 10212212021211 its reverse (11212021221201), we get a palindrome (21424233242412).

The spelling of 10212212021211 in words is "ten trillion, two hundred twelve billion, two hundred twelve million, twenty-one thousand, two hundred eleven".