2101013155 has 8 divisors (see below), whose sum is σ = 2528442000. Its totient is φ = 1675993056.

The previous prime is 2101013147. The next prime is 2101013191. The reversal of 2101013155 is 5513101012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2101013155 - 2³ = 2101013147 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600265 + ... + 603754.

It is an arithmetic number, because the mean of its divisors is an integer number (316055250).

Almost surely, 2^2101013155 is an apocalyptic number.

2101013155 is a deficient number, since it is larger than the sum of its proper divisors (427428845).

2101013155 is a wasteful number, since it uses less digits than its factorization.

2101013155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204373.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 2101013155 is about 45836.8100438938. The cubic root of 2101013155 is about 1280.7850723828.

Adding to 2101013155 its reverse (5513101012), we get a palindrome (7614114167).

The spelling of 2101013155 in words is "two billion, one hundred one million, thirteen thousand, one hundred fifty-five".