2011020212 has 6 divisors (see below), whose sum is σ = 3519285378. Its totient is φ = 1005510104.

The previous prime is 2011020149. The next prime is 2011020227. The reversal of 2011020212 is 2120201102.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1287087376 + 723932836 = 35876^2 + 26906^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2011020193 and 2011020202.

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, 251377523 + ... + 251377530.

It is an arithmetic number, because the mean of its divisors is an integer number (586547563).

Almost surely, 2^2011020212 is an apocalyptic number.

It is an amenable number.

2011020212 is a deficient number, since it is larger than the sum of its proper divisors (1508265166).

2011020212 is a wasteful number, since it uses less digits than its factorization.

2011020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502755057 (or 502755055 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2011020212 is about 44844.4000071358. The cubic root of 2011020212 is about 1262.2309120592.

Adding to 2011020212 its reverse (2120201102), we get a palindrome (4131221314).

The spelling of 2011020212 in words is "two billion, eleven million, twenty thousand, two hundred twelve".