1020202212122 has 4 divisors (see below), whose sum is σ = 1530303318186. Its totient is φ = 510101106060.

The previous prime is 1020202212109. The next prime is 1020202212143. The reversal of 1020202212122 is 2212122020201.

It is a happy number.

1020202212122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 867712743121 + 152489469001 = 931511^2 + 390499^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1020202212122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255050553029 + ... + 255050553032.

Almost surely, 2^{1020202212122} is an apocalyptic number.

1020202212122 is a deficient number, since it is larger than the sum of its proper divisors (510101106064).

1020202212122 is an equidigital number, since it uses as much as digits as its factorization.

1020202212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510101106063.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1020202212122 its reverse (2212122020201), we get a palindrome (3232324232323).

The spelling of 1020202212122 in words is "one trillion, twenty billion, two hundred two million, two hundred twelve thousand, one hundred twenty-two".