1121001000212 has 12 divisors (see below), whose sum is σ = 1961759405760. Its totient is φ = 560498312856.

The previous prime is 1121001000209. The next prime is 1121001000233. The reversal of 1121001000212 is 2120001001211.

It is a junction number, because it is equal to n+sod(n) for n = 1121001000193 and 1121001000202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1297589 + ... + 1981347.

It is an arithmetic number, because the mean of its divisors is an integer number (163479950480).

Almost surely, 2^{1121001000212} is an apocalyptic number.

It is an amenable number.

1121001000212 is a deficient number, since it is larger than the sum of its proper divisors (840758405548).

1121001000212 is a wasteful number, since it uses less digits than its factorization.

1121001000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093630 (or 1093628 counting only the distinct ones).

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

Adding to 1121001000212 its reverse (2120001001211), we get a palindrome (3241002001423).

Subtracting 1121001000212 from its reverse (2120001001211), we obtain a palindrome (999000000999).

The spelling of 1121001000212 in words is "one trillion, one hundred twenty-one billion, one million, two hundred twelve", and thus it is an aban number.