10121131221110 has 48 divisors (see below), whose sum is σ = 22822594811856. Its totient is φ = 3203171197632.

The previous prime is 10121131221101. The next prime is 10121131221127. The reversal of 10121131221110 is 1112213112101.

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 23 ways as a sum of consecutive naturals, for example, 794430932 + ... + 794443671.

It is an arithmetic number, because the mean of its divisors is an integer number (475470725247).

Almost surely, 2^{10121131221110} is an apocalyptic number.

10121131221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10121131221110 is an abundant number, since it is smaller than the sum of its proper divisors (12701463590746).

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

10121131221110 is a wasteful number, since it uses less digits than its factorization.

10121131221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588874637 (or 1588874630 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 10121131221110 its reverse (1112213112101), we get a palindrome (11233344333211).

The spelling of 10121131221110 in words is "ten trillion, one hundred twenty-one billion, one hundred thirty-one million, two hundred twenty-one thousand, one hundred ten".