121310221010110 has 192 divisors, whose sum is σ = 251614808939520. Its totient is φ = 41742205113600.

The previous prime is 121310221010003. The next prime is 121310221010119. The reversal of 121310221010110 is 11010122013121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121310221010119) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5549658361 + ... + 5549680219.

It is an arithmetic number, because the mean of its divisors is an integer number (1310493796560).

Almost surely, 2^{121310221010110} is an apocalyptic number.

121310221010110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121310221010110 is an abundant number, since it is smaller than the sum of its proper divisors (130304587929410).

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

121310221010110 is a wasteful number, since it uses less digits than its factorization.

121310221010110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23103 (or 23072 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 121310221010110 its reverse (11010122013121), we get a palindrome (132320343023231).

The spelling of 121310221010110 in words is "one hundred twenty-one trillion, three hundred ten billion, two hundred twenty-one million, ten thousand, one hundred ten".