102121121211110 has 32 divisors (see below), whose sum is σ = 184067334015264. Its totient is φ = 40793081760000.

The previous prime is 102121121211103. The next prime is 102121121211127. The reversal of 102121121211110 is 11112121121201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19919960 + ... + 24516260.

It is an arithmetic number, because the mean of its divisors is an integer number (5752104187977).

Almost surely, 2^{102121121211110} is an apocalyptic number.

102121121211110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102121121211110 is a deficient number, since it is larger than the sum of its proper divisors (81946212804154).

102121121211110 is a wasteful number, since it uses less digits than its factorization.

102121121211110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4599320.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 102121121211110 its reverse (11112121121201), we get a palindrome (113233242332311).

The spelling of 102121121211110 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred twenty-one million, two hundred eleven thousand, one hundred ten".