1031220122202 has 48 divisors (see below), whose sum is σ = 2243910483360. Its totient is φ = 342263940000.

The previous prime is 1031220122189. The next prime is 1031220122203. The reversal of 1031220122202 is 2022210221301.

1031220122202 is a `hidden beast` number, since 10 + 312 + 20 + 122 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1031220122203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15196324 + ... + 15264032.

It is an arithmetic number, because the mean of its divisors is an integer number (46748135070).

Almost surely, 2^{1031220122202} is an apocalyptic number.

1031220122202 is an abundant number, since it is smaller than the sum of its proper divisors (1212690361158).

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

1031220122202 is a wasteful number, since it uses less digits than its factorization.

1031220122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71339 (or 71336 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1031220122202 its reverse (2022210221301), we get a palindrome (3053430343503).

Subtracting 1031220122202 from its reverse (2022210221301), we obtain a palindrome (990990099099).

The spelling of 1031220122202 in words is "one trillion, thirty-one billion, two hundred twenty million, one hundred twenty-two thousand, two hundred two".