1121211020212 has 6 divisors (see below), whose sum is σ = 1962119285378. Its totient is φ = 560605510104.

The previous prime is 1121211020203. The next prime is 1121211020231. The reversal of 1121211020212 is 2120201121211.

It can be written as a sum of positive squares in only one way, i.e., 1057532516496 + 63678503716 = 1028364^2 + 252346^2 .

It is a super-2 number, since 2×1121211020212² (a number of 25 digits) contains 22 as substring.

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, 140151377523 + ... + 140151377530.

Almost surely, 2^{1121211020212} is an apocalyptic number.

It is an amenable number.

1121211020212 is a deficient number, since it is larger than the sum of its proper divisors (840908265166).

1121211020212 is a wasteful number, since it uses less digits than its factorization.

1121211020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280302755057 (or 280302755055 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1121211020212 its reverse (2120201121211), we get a palindrome (3241412141423).

The spelling of 1121211020212 in words is "one trillion, one hundred twenty-one billion, two hundred eleven million, twenty thousand, two hundred twelve".