1022202022120 has 32 divisors (see below), whose sum is σ = 2299994562600. Its totient is φ = 408873695488.

The previous prime is 1022202022111. The next prime is 1022202022129. The reversal of 1022202022120 is 212202022201.

It is an interprime number because it is at equal distance from previous prime (1022202022111) and next prime (1022202022129).

It can be written as a sum of positive squares in 4 ways, for example, as 988556924644 + 33645097476 = 994262^2 + 183426^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1022202022094 and 1022202022103.

It is not an unprimeable number, because it can be changed into a prime (1022202022129) 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, 2524782 + ... + 2901538.

Almost surely, 2^{1022202022120} is an apocalyptic number.

1022202022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022202022120 is an abundant number, since it is smaller than the sum of its proper divisors (1277792540480).

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

1022202022120 is a wasteful number, since it uses less digits than its factorization.

1022202022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444597 (or 444593 counting only the distinct ones).

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

Adding to 1022202022120 its reverse (212202022201), we get a palindrome (1234404044321).

The spelling of 1022202022120 in words is "one trillion, twenty-two billion, two hundred two million, twenty-two thousand, one hundred twenty".