1022311110020 has 24 divisors (see below), whose sum is σ = 2147114818968. Its totient is φ = 408874636800.

The previous prime is 1022311109959. The next prime is 1022311110031. The reversal of 1022311110020 is 200111132201.

1022311110020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 85600715776 + 936710394244 = 292576^2 + 967838^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1022311109977 and 1022311110004.

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, 2944421 + ... + 3273260.

It is an arithmetic number, because the mean of its divisors is an integer number (89463117457).

Almost surely, 2^{1022311110020} is an apocalyptic number.

1022311110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022311110020 is an abundant number, since it is smaller than the sum of its proper divisors (1124803708948).

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

1022311110020 is a wasteful number, since it uses less digits than its factorization.

1022311110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6225911 (or 6225909 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1022311110020 its reverse (200111132201), we get a palindrome (1222422242221).

The spelling of 1022311110020 in words is "one trillion, twenty-two billion, three hundred eleven million, one hundred ten thousand, twenty".