201101012212 has 6 divisors (see below), whose sum is σ = 351926771378. Its totient is φ = 100550506104.

The previous prime is 201101012171. The next prime is 201101012221. The reversal of 201101012212 is 212210101102.

It can be written as a sum of positive squares in only one way, i.e., 173250742756 + 27850269456 = 416234^2 + 166884^2 .

It is a super-2 number, since 2×201101012212² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201101012192 and 201101012201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25137626523 + ... + 25137626530.

Almost surely, 2^201101012212 is an apocalyptic number.

It is an amenable number.

201101012212 is a deficient number, since it is larger than the sum of its proper divisors (150825759166).

201101012212 is a wasteful number, since it uses less digits than its factorization.

201101012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50275253057 (or 50275253055 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201101012212 its reverse (212210101102), we get a palindrome (413311113314).

The spelling of 201101012212 in words is "two hundred one billion, one hundred one million, twelve thousand, two hundred twelve".