10211212110020 has 96 divisors (see below), whose sum is σ = 21599480044800. Its totient is φ = 4054904815104.

The previous prime is 10211212109963. The next prime is 10211212110041. The reversal of 10211212110020 is 2001121211201.

10211212110020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10211212109977 and 10211212110004.

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, 2745685721 + ... + 2745689439.

It is an arithmetic number, because the mean of its divisors is an integer number (224994583800).

Almost surely, 2^{10211212110020} is an apocalyptic number.

10211212110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10211212110020 is an abundant number, since it is smaller than the sum of its proper divisors (11388267934780).

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

10211212110020 is a wasteful number, since it uses less digits than its factorization.

10211212110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5517 (or 5515 counting only the distinct ones).

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

Adding to 10211212110020 its reverse (2001121211201), we get a palindrome (12212333321221).

The spelling of 10211212110020 in words is "ten trillion, two hundred eleven billion, two hundred twelve million, one hundred ten thousand, twenty".