10121001201020 has 96 divisors (see below), whose sum is σ = 21452736399360. Its totient is φ = 4010723942400.

The previous prime is 10121001201019. The next prime is 10121001201121. The reversal of 10121001201020 is 2010210012101.

It is a super-2 number, since 2×10121001201020² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10121001200992 and 10121001201010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3763851836 + ... + 3763854524.

It is an arithmetic number, because the mean of its divisors is an integer number (223466004160).

Almost surely, 2^{10121001201020} is an apocalyptic number.

10121001201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10121001201020 is an abundant number, since it is smaller than the sum of its proper divisors (11331735198340).

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

10121001201020 is a wasteful number, since it uses less digits than its factorization.

10121001201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5755 (or 5753 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10121001201020 its reverse (2010210012101), we get a palindrome (12131211213121).

The spelling of 10121001201020 in words is "ten trillion, one hundred twenty-one billion, one million, two hundred one thousand, twenty".