102121011102010 has 8 divisors (see below), whose sum is σ = 183817819983636. Its totient is φ = 40848404440800.

The previous prime is 102121011101959. The next prime is 102121011102017. The reversal of 102121011102010 is 10201110121201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 100108009149201 + 2013001952809 = 10005399^2 + 1418803^2 .

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

It is not an unprimeable number, because it can be changed into a prime (102121011102017) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5106050555091 + ... + 5106050555110.

Almost surely, 2^{102121011102010} is an apocalyptic number.

102121011102010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102121011102010 is a deficient number, since it is larger than the sum of its proper divisors (81696808881626).

102121011102010 is a wasteful number, since it uses less digits than its factorization.

102121011102010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10212101110208.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102121011102010 its reverse (10201110121201), we get a palindrome (112322121223211).

The spelling of 102121011102010 in words is "one hundred two trillion, one hundred twenty-one billion, eleven million, one hundred two thousand, ten".