1121010212 has 24 divisors (see below), whose sum is σ = 2255455104. Its totient is φ = 477554112.

The previous prime is 1121010197. The next prime is 1121010223. The reversal of 1121010212 is 2120101211.

It is a junction number, because it is equal to n+sod(n) for n = 1121010193 and 1121010202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115193 + ... + 124544.

It is an arithmetic number, because the mean of its divisors is an integer number (93977296).

Almost surely, 2^1121010212 is an apocalyptic number.

It is an amenable number.

1121010212 is an abundant number, since it is smaller than the sum of its proper divisors (1134444892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121010212 is a wasteful number, since it uses less digits than its factorization.

1121010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239915 (or 239913 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1121010212 is about 33481.4905880846. The cubic root of 1121010212 is about 1038.8109598662.

Adding to 1121010212 its reverse (2120101211), we get a palindrome (3241111423).

Subtracting 1121010212 from its reverse (2120101211), we obtain a palindrome (999090999).

The spelling of 1121010212 in words is "one billion, one hundred twenty-one million, ten thousand, two hundred twelve".