10211121003220 has 24 divisors (see below), whose sum is σ = 22704727878504. Its totient is φ = 3844186730496.

The previous prime is 10211121003143. The next prime is 10211121003233. The reversal of 10211121003220 is 2230012111201.

It can be written as a sum of positive squares in 4 ways, for example, as 268425537604 + 9942695465616 = 518098^2 + 3153204^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10211121003194 and 10211121003203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15016354077 + ... + 15016354756.

It is an arithmetic number, because the mean of its divisors is an integer number (946030328271).

Almost surely, 2^{10211121003220} is an apocalyptic number.

10211121003220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10211121003220 is an abundant number, since it is smaller than the sum of its proper divisors (12493606875284).

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

10211121003220 is a wasteful number, since it uses less digits than its factorization.

10211121003220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30032708859 (or 30032708857 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 10211121003220 its reverse (2230012111201), we get a palindrome (12441133114421).

The spelling of 10211121003220 in words is "ten trillion, two hundred eleven billion, one hundred twenty-one million, three thousand, two hundred twenty".