1022222200120 has 64 divisors (see below), whose sum is σ = 2513322678240. Its totient is φ = 371090227200.

The previous prime is 1022222200091. The next prime is 1022222200123. The reversal of 1022222200120 is 210022222201.

It is a junction number, because it is equal to n+sod(n) for n = 1022222200094 and 1022222200103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022222200123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1697961 + ... + 2219800.

Almost surely, 2^{1022222200120} is an apocalyptic number.

1022222200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022222200120 is an abundant number, since it is smaller than the sum of its proper divisors (1491100478120).

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

1022222200120 is a wasteful number, since it uses less digits than its factorization.

1022222200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3918376 (or 3918372 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1022222200120 its reverse (210022222201), we get a palindrome (1232244422321).

The spelling of 1022222200120 in words is "one trillion, twenty-two billion, two hundred twenty-two million, two hundred thousand, one hundred twenty".