101220221011012 has 12 divisors (see below), whose sum is σ = 178053186702076. Its totient is φ = 50347881953280.

The previous prime is 101220221011003. The next prime is 101220221011057. The reversal of 101220221011012 is 210110122022101.

It can be written as a sum of positive squares in 2 ways, for example, as 48018718638916 + 53201502372096 = 6929554^2 + 7293936^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65557137189 + ... + 65557138732.

Almost surely, 2^{101220221011012} is an apocalyptic number.

It is an amenable number.

101220221011012 is a deficient number, since it is larger than the sum of its proper divisors (76832965691064).

101220221011012 is a wasteful number, since it uses less digits than its factorization.

101220221011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131114276118 (or 131114276116 counting only the distinct ones).

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

Adding to 101220221011012 its reverse (210110122022101), we get a palindrome (311330343033113).

The spelling of 101220221011012 in words is "one hundred one trillion, two hundred twenty billion, two hundred twenty-one million, eleven thousand, twelve".