10121205561150 has 24 divisors (see below), whose sum is σ = 25100589792024. Its totient is φ = 2698988149600.

The previous prime is 10121205561121. The next prime is 10121205561161. The reversal of 10121205561150 is 5116550212101.

It is a super-2 number, since 2×10121205561150² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33737351721 + ... + 33737352020.

It is an arithmetic number, because the mean of its divisors is an integer number (1045857908001).

Almost surely, 2^{10121205561150} is an apocalyptic number.

10121205561150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10121205561150 is an abundant number, since it is smaller than the sum of its proper divisors (14979384230874).

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

10121205561150 is a wasteful number, since it uses less digits than its factorization.

10121205561150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67474703756 (or 67474703751 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 30.

Adding to 10121205561150 its reverse (5116550212101), we get a palindrome (15237755773251).

The spelling of 10121205561150 in words is "ten trillion, one hundred twenty-one billion, two hundred five million, five hundred sixty-one thousand, one hundred fifty".