1121010000212 has 6 divisors (see below), whose sum is σ = 1961767500378. Its totient is φ = 560505000104.

The previous prime is 1121010000197. The next prime is 1121010000217. The reversal of 1121010000212 is 2120000101211.

It can be written as a sum of positive squares in only one way, i.e., 863122753936 + 257887246276 = 929044^2 + 507826^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1121010000193 and 1121010000202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121010000217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140126250023 + ... + 140126250030.

It is an arithmetic number, because the mean of its divisors is an integer number (326961250063).

Almost surely, 2^{1121010000212} is an apocalyptic number.

It is an amenable number.

1121010000212 is a deficient number, since it is larger than the sum of its proper divisors (840757500166).

1121010000212 is a wasteful number, since it uses less digits than its factorization.

1121010000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280252500057 (or 280252500055 counting only the distinct ones).

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

Adding to 1121010000212 its reverse (2120000101211), we get a palindrome (3241010101423).

The spelling of 1121010000212 in words is "one trillion, one hundred twenty-one billion, ten million, two hundred twelve", and thus it is an aban number.