105102121520102 has 32 divisors (see below), whose sum is σ = 180369356344320. Its totient is φ = 44995217510880.

The previous prime is 105102121520083. The next prime is 105102121520113. The reversal of 105102121520102 is 201025121201501.

It is a super-2 number, since 2×105102121520102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51963527 + ... + 53948237.

It is an arithmetic number, because the mean of its divisors is an integer number (5636542385760).

Almost surely, 2^{105102121520102} is an apocalyptic number.

105102121520102 is a deficient number, since it is larger than the sum of its proper divisors (75267234824218).

105102121520102 is a wasteful number, since it uses less digits than its factorization.

105102121520102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988796.

The product of its (nonzero) digits is 400, while the sum is 23.

Adding to 105102121520102 its reverse (201025121201501), we get a palindrome (306127242721603).

The spelling of 105102121520102 in words is "one hundred five trillion, one hundred two billion, one hundred twenty-one million, five hundred twenty thousand, one hundred two".