101021201012 has 12 divisors (see below), whose sum is σ = 181098982596. Its totient is φ = 49278634560.

The previous prime is 101021201003. The next prime is 101021201027. The reversal of 101021201012 is 210102120101.

It can be written as a sum of positive squares in 2 ways, for example, as 22214113936 + 78807087076 = 149044^2 + 280726^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101021200984 and 101021201002.

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, 307991303 + ... + 307991630.

It is an arithmetic number, because the mean of its divisors is an integer number (15091581883).

Almost surely, 2^101021201012 is an apocalyptic number.

It is an amenable number.

101021201012 is a deficient number, since it is larger than the sum of its proper divisors (80077781584).

101021201012 is a wasteful number, since it uses less digits than its factorization.

101021201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615982978 (or 615982976 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101021201012 its reverse (210102120101), we get a palindrome (311123321113).

It can be divided in two parts, 10102120101 and 2, that multiplied together give a palindrome (20204240202).

The spelling of 101021201012 in words is "one hundred one billion, twenty-one million, two hundred one thousand, twelve".