102121001220110 has 128 divisors (see below), whose sum is σ = 202440369070080. Its totient is φ = 36921965875200.

The previous prime is 102121001220083. The next prime is 102121001220131. The reversal of 102121001220110 is 11022100121201.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 2433807311 + ... + 2433849269.

It is an arithmetic number, because the mean of its divisors is an integer number (1581565383360).

Almost surely, 2^{102121001220110} is an apocalyptic number.

102121001220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102121001220110 is a deficient number, since it is larger than the sum of its proper divisors (100319367849970).

102121001220110 is a wasteful number, since it uses less digits than its factorization.

102121001220110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45522.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102121001220110 its reverse (11022100121201), we get a palindrome (113143101341311).

The spelling of 102121001220110 in words is "one hundred two trillion, one hundred twenty-one billion, one million, two hundred twenty thousand, one hundred ten".