1121020020212 has 6 divisors (see below), whose sum is σ = 1961785035378. Its totient is φ = 560510010104.

The previous prime is 1121020020203. The next prime is 1121020020223. The reversal of 1121020020212 is 2120200201211.

It can be written as a sum of positive squares in only one way, i.e., 885868734436 + 235151285776 = 941206^2 + 484924^2 .

It is a super-2 number, since 2×1121020020212² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140127502523 + ... + 140127502530.

It is an arithmetic number, because the mean of its divisors is an integer number (326964172563).

Almost surely, 2^{1121020020212} is an apocalyptic number.

It is an amenable number.

1121020020212 is a deficient number, since it is larger than the sum of its proper divisors (840765015166).

1121020020212 is a wasteful number, since it uses less digits than its factorization.

1121020020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280255005057 (or 280255005055 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1121020020212 its reverse (2120200201211), we get a palindrome (3241220221423).

The spelling of 1121020020212 in words is "one trillion, one hundred twenty-one billion, twenty million, twenty thousand, two hundred twelve".