10211110212020 has 48 divisors (see below), whose sum is σ = 21495303950736. Its totient is φ = 4074554880000.

The previous prime is 10211110211999. The next prime is 10211110212091. The reversal of 10211110212020 is 2021201111201.

It can be written as a sum of positive squares in 8 ways, for example, as 1322817419044 + 8888292792976 = 1150138^2 + 2981324^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10211110211986 and 10211110212004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15556880 + ... + 16199960.

It is an arithmetic number, because the mean of its divisors is an integer number (447818832307).

Almost surely, 2^{10211110212020} is an apocalyptic number.

10211110212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10211110212020 is an abundant number, since it is smaller than the sum of its proper divisors (11284193738716).

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

10211110212020 is a wasteful number, since it uses less digits than its factorization.

10211110212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645012 (or 645010 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10211110212020 its reverse (2021201111201), we get a palindrome (12232311323221).

The spelling of 10211110212020 in words is "ten trillion, two hundred eleven billion, one hundred ten million, two hundred twelve thousand, twenty".