10111222211020 has 96 divisors (see below), whose sum is σ = 25140172861440. Its totient is φ = 3342763710720.

The previous prime is 10111222211009. The next prime is 10111222211053. The reversal of 10111222211020 is 2011222211101.

10111222211020 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 = 10111222210985 and 10111222211003.

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, 3003190 + ... + 5407549.

It is an arithmetic number, because the mean of its divisors is an integer number (261876800640).

Almost surely, 2^{10111222211020} is an apocalyptic number.

10111222211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111222211020 is an abundant number, since it is smaller than the sum of its proper divisors (15028950650420).

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

10111222211020 is a wasteful number, since it uses less digits than its factorization.

10111222211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8411063 (or 8411061 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10111222211020 its reverse (2011222211101), we get a palindrome (12122444422121).

The spelling of 10111222211020 in words is "ten trillion, one hundred eleven billion, two hundred twenty-two million, two hundred eleven thousand, twenty".