211012020202 has 4 divisors (see below), whose sum is σ = 316518030306. Its totient is φ = 105506010100.

The previous prime is 211012020151. The next prime is 211012020227. The reversal of 211012020202 is 202020210112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 209124204601 + 1887815601 = 457301^2 + 43449^2 .

It is a super-2 number, since 2×211012020202² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52753005049 + ... + 52753005052.

Almost surely, 2^211012020202 is an apocalyptic number.

211012020202 is a deficient number, since it is larger than the sum of its proper divisors (105506010104).

211012020202 is a wasteful number, since it uses less digits than its factorization.

211012020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105506010103.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 211012020202 its reverse (202020210112), we get a palindrome (413032230314).

The spelling of 211012020202 in words is "two hundred eleven billion, twelve million, twenty thousand, two hundred two".