201020210102212 has 6 divisors (see below), whose sum is σ = 351785367678878. Its totient is φ = 100510105051104.

The previous prime is 201020210102189. The next prime is 201020210102237. The reversal of 201020210102212 is 212201012020102.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 143586153769536 + 57434056332676 = 11982744^2 + 7578526^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25127526262773 + ... + 25127526262780.

Almost surely, 2^{201020210102212} is an apocalyptic number.

It is an amenable number.

201020210102212 is a deficient number, since it is larger than the sum of its proper divisors (150765157576666).

201020210102212 is a wasteful number, since it uses less digits than its factorization.

201020210102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50255052525557 (or 50255052525555 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201020210102212 its reverse (212201012020102), we get a palindrome (413221222122314).

The spelling of 201020210102212 in words is "two hundred one trillion, twenty billion, two hundred ten million, one hundred two thousand, two hundred twelve".