2101501102 has 8 divisors (see below), whose sum is σ = 3153119976. Its totient is φ = 1050461112.

The previous prime is 2101501091. The next prime is 2101501147. The reversal of 2101501102 is 2011051012.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135528 + ... + 150235.

It is an arithmetic number, because the mean of its divisors is an integer number (394139997).

Almost surely, 2^2101501102 is an apocalyptic number.

2101501102 is a deficient number, since it is larger than the sum of its proper divisors (1051618874).

2101501102 is a wasteful number, since it uses less digits than its factorization.

2101501102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289442.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 2101501102 is about 45842.1323893206. The cubic root of 2101501102 is about 1280.8842161154.

Adding to 2101501102 its reverse (2011051012), we get a palindrome (4112552114).

The spelling of 2101501102 in words is "two billion, one hundred one million, five hundred one thousand, one hundred two".