2101401321411 has 16 divisors (see below), whose sum is σ = 3270265887744. Its totient is φ = 1175251802304.

The previous prime is 2101401321373. The next prime is 2101401321421. The reversal of 2101401321411 is 1141231041012.

It is not a de Polignac number, because 2101401321411 - 2¹⁹ = 2101400797123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2101401321421) 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, 1064538690 + ... + 1064540663.

It is an arithmetic number, because the mean of its divisors is an integer number (204391617984).

Almost surely, 2^{2101401321411} is an apocalyptic number.

2101401321411 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2101401321411 is a deficient number, since it is larger than the sum of its proper divisors (1168864566333).

2101401321411 is a wasteful number, since it uses less digits than its factorization.

2101401321411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129079410.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 2101401321411 its reverse (1141231041012), we get a palindrome (3242632362423).

The spelling of 2101401321411 in words is "two trillion, one hundred one billion, four hundred one million, three hundred twenty-one thousand, four hundred eleven".