1031021100212 has 12 divisors (see below), whose sum is σ = 1804330406340. Its totient is φ = 515498126976.

The previous prime is 1031021100209. The next prime is 1031021100251. The reversal of 1031021100212 is 2120011201301.

1031021100212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 418238997796 + 612782102416 = 646714^2 + 782804^2 .

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, 2917787 + ... + 3252002.

It is an arithmetic number, because the mean of its divisors is an integer number (150360867195).

Almost surely, 2^{1031021100212} is an apocalyptic number.

It is an amenable number.

1031021100212 is a deficient number, since it is larger than the sum of its proper divisors (773309306128).

1031021100212 is a wasteful number, since it uses less digits than its factorization.

1031021100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6211570 (or 6211568 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1031021100212 its reverse (2120011201301), we get a palindrome (3151032301513).

The spelling of 1031021100212 in words is "one trillion, thirty-one billion, twenty-one million, one hundred thousand, two hundred twelve".