10211110120020 has 24 divisors (see below), whose sum is σ = 28591108336224. Its totient is φ = 2722962698656.

The previous prime is 10211110119943. The next prime is 10211110120021. The reversal of 10211110120020 is 2002101111201.

10211110120020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10211110119978 and 10211110120005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211110120021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85092584274 + ... + 85092584393.

It is an arithmetic number, because the mean of its divisors is an integer number (1191296180676).

Almost surely, 2^{10211110120020} is an apocalyptic number.

10211110120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10211110120020 is an abundant number, since it is smaller than the sum of its proper divisors (18379998216204).

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

10211110120020 is a wasteful number, since it uses less digits than its factorization.

10211110120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170185168679 (or 170185168677 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10211110120020 its reverse (2002101111201), we get a palindrome (12213211231221).

The spelling of 10211110120020 in words is "ten trillion, two hundred eleven billion, one hundred ten million, one hundred twenty thousand, twenty".