2101311001215 has 12 divisors (see below), whose sum is σ = 3642272402184. Its totient is φ = 1120699200624.

The previous prime is 2101311001151. The next prime is 2101311001259. The reversal of 2101311001215 is 5121001131012.

It is not a de Polignac number, because 2101311001215 - 2⁶ = 2101311001151 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23347899969 + ... + 23347900058.

It is an arithmetic number, because the mean of its divisors is an integer number (303522700182).

Almost surely, 2^{2101311001215} is an apocalyptic number.

2101311001215 is a deficient number, since it is larger than the sum of its proper divisors (1540961400969).

2101311001215 is a wasteful number, since it uses less digits than its factorization.

2101311001215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46695800038 (or 46695800035 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 18.

Adding to 2101311001215 its reverse (5121001131012), we get a palindrome (7222312132227).

It can be divided in two parts, 210131 and 1001215, that added together give a triangular number (1211346 = T₁₅₅₆).

The spelling of 2101311001215 in words is "two trillion, one hundred one billion, three hundred eleven million, one thousand, two hundred fifteen".