49101102 has 12 divisors (see below), whose sum is σ = 106385760. Its totient is φ = 16367028.

The previous prime is 49101079. The next prime is 49101103. The reversal of 49101102 is 20110194.

It is a super-2 number, since 2×49101102² = 4821836435228808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2727839 = 49101102 / (4 + 9 + 1 + 0 + 1 + 1 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49101103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1363902 + ... + 1363937.

It is an arithmetic number, because the mean of its divisors is an integer number (8865480).

Almost surely, 2^49101102 is an apocalyptic number.

49101102 is an abundant number, since it is smaller than the sum of its proper divisors (57284658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49101102 is a wasteful number, since it uses less digits than its factorization.

49101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2727847 (or 2727844 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 49101102 is about 7007.2178501885. The cubic root of 49101102 is about 366.1820737017.

Adding to 49101102 its reverse (20110194), we get a palindrome (69211296).

The spelling of 49101102 in words is "forty-nine million, one hundred one thousand, one hundred two".