10111222101020 has 24 divisors (see below), whose sum is σ = 21593457370800. Its totient is φ = 3975938181632.

The previous prime is 10111222101017. The next prime is 10111222101041. The reversal of 10111222101020 is 2010122211101.

It is a junction number, because it is equal to n+sod(n) for n = 10111222100986 and 10111222101004.

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, 4284414965 + ... + 4284417324.

It is an arithmetic number, because the mean of its divisors is an integer number (899727390450).

Almost surely, 2^{10111222101020} is an apocalyptic number.

10111222101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111222101020 is an abundant number, since it is smaller than the sum of its proper divisors (11482235269780).

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

10111222101020 is a wasteful number, since it uses less digits than its factorization.

10111222101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8568832357 (or 8568832355 counting only the distinct ones).

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

Adding to 10111222101020 its reverse (2010122211101), we get a palindrome (12121344312121).

The spelling of 10111222101020 in words is "ten trillion, one hundred eleven billion, two hundred twenty-two million, one hundred one thousand, twenty".