1022220220120 has 32 divisors (see below), whose sum is σ = 2509085995920. Its totient is φ = 371716443520.

The previous prime is 1022220220081. The next prime is 1022220220127. The reversal of 1022220220120 is 210220222201.

It is a junction number, because it is equal to n+sod(n) for n = 1022220220094 and 1022220220103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022220220127) 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, 1161613447 + ... + 1161614326.

Almost surely, 2^{1022220220120} is an apocalyptic number.

1022220220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022220220120 is an abundant number, since it is smaller than the sum of its proper divisors (1486865775800).

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

1022220220120 is a wasteful number, since it uses less digits than its factorization.

1022220220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323227795 (or 2323227791 counting only the distinct ones).

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

Adding to 1022220220120 its reverse (210220222201), we get a palindrome (1232440442321).

It can be divided in two parts, 102 and 2220220120, that added together give a palindrome (2220220222).

The spelling of 1022220220120 in words is "one trillion, twenty-two billion, two hundred twenty million, two hundred twenty thousand, one hundred twenty".