2101204154535 has 32 divisors (see below), whose sum is σ = 3394225181952. Its totient is φ = 1109881463040.

The previous prime is 2101204154527. The next prime is 2101204154551. The reversal of 2101204154535 is 5354514021012.

It is not a de Polignac number, because 2101204154535 - 2³ = 2101204154527 is a prime.

It is a super-2 number, since 2×2101204154535² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2101204154496 and 2101204154505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6103195 + ... + 6438275.

It is an arithmetic number, because the mean of its divisors is an integer number (106069536936).

Almost surely, 2^{2101204154535} is an apocalyptic number.

2101204154535 is a deficient number, since it is larger than the sum of its proper divisors (1293021027417).

2101204154535 is a wasteful number, since it uses less digits than its factorization.

2101204154535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339103.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 2101204154535 its reverse (5354514021012), we get a palindrome (7455718175547).

The spelling of 2101204154535 in words is "two trillion, one hundred one billion, two hundred four million, one hundred fifty-four thousand, five hundred thirty-five".