202010212211121 has 16 divisors (see below), whose sum is σ = 299356810635520. Its totient is φ = 134636384828880.

The previous prime is 202010212211099. The next prime is 202010212211161. The reversal of 202010212211121 is 121112212010202.

202010212211121 is a `hidden beast` number, since 20 + 201 + 0 + 212 + 211 + 1 + 21 = 666.

It is not a de Polignac number, because 202010212211121 - 2⁶ = 202010212211057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202010212211094 and 202010212211103.

It is not an unprimeable number, because it can be changed into a prime (202010212211161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1030177330 + ... + 1030373403.

It is an arithmetic number, because the mean of its divisors is an integer number (18709800664720).

Almost surely, 2^{202010212211121} is an apocalyptic number.

It is an amenable number.

202010212211121 is a deficient number, since it is larger than the sum of its proper divisors (97346598424399).

202010212211121 is a wasteful number, since it uses less digits than its factorization.

202010212211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060554373 (or 2060554367 counting only the distinct ones).

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

Adding to 202010212211121 its reverse (121112212010202), we get a palindrome (323122424221323).

The spelling of 202010212211121 in words is "two hundred two trillion, ten billion, two hundred twelve million, two hundred eleven thousand, one hundred twenty-one".