1010211121012 has 48 divisors (see below), whose sum is σ = 1822439025792. Its totient is φ = 489702648960.

The previous prime is 1010211120949. The next prime is 1010211121037. The reversal of 1010211121012 is 2101211120101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1010211120983 and 1010211121001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12490062 + ... + 12570682.

It is an arithmetic number, because the mean of its divisors is an integer number (37967479704).

Almost surely, 2^{1010211121012} is an apocalyptic number.

It is an amenable number.

1010211121012 is a deficient number, since it is larger than the sum of its proper divisors (812227904780).

1010211121012 is a wasteful number, since it uses less digits than its factorization.

1010211121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81208 (or 81206 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1010211121012 its reverse (2101211120101), we get a palindrome (3111422241113).

The spelling of 1010211121012 in words is "one trillion, ten billion, two hundred eleven million, one hundred twenty-one thousand, twelve".