1020122222122 has 8 divisors (see below), whose sum is σ = 1531216547172. Its totient is φ = 509716706400.

The previous prime is 1020122222051. The next prime is 1020122222123. The reversal of 1020122222122 is 2212222210201.

It can be written as a sum of positive squares in 2 ways, for example, as 961833294361 + 58288927761 = 980731^2 + 241431^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1020122222122.

It is not an unprimeable number, because it can be changed into a prime (1020122222123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172198629 + ... + 172204552.

Almost surely, 2^{1020122222122} is an apocalyptic number.

1020122222122 is a deficient number, since it is larger than the sum of its proper divisors (511094325050).

1020122222122 is a wasteful number, since it uses less digits than its factorization.

1020122222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344404664.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1020122222122 its reverse (2212222210201), we get a palindrome (3232344432323).

The spelling of 1020122222122 in words is "one trillion, twenty billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred twenty-two".