1210300101021 has 16 divisors (see below), whose sum is σ = 1763014049280. Its totient is φ = 732441238320.

The previous prime is 1210300100987. The next prime is 1210300101053. The reversal of 1210300101021 is 1201010030121.

It is not a de Polignac number, because 1210300101021 - 2¹⁸ = 1210299838877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1210300100988 and 1210300101006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210300111021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26826481 + ... + 26871558.

It is an arithmetic number, because the mean of its divisors is an integer number (110188378080).

Almost surely, 2^{1210300101021} is an apocalyptic number.

1210300101021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1210300101021 is a deficient number, since it is larger than the sum of its proper divisors (552713948259).

1210300101021 is a wasteful number, since it uses less digits than its factorization.

1210300101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53698736.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 1210300101021 its reverse (1201010030121), we get a palindrome (2411310131142).

The spelling of 1210300101021 in words is "one trillion, two hundred ten billion, three hundred million, one hundred one thousand, twenty-one".