1012112121122 has 8 divisors (see below), whose sum is σ = 1521150831900. Its totient is φ = 505061843824.

The previous prime is 1012112121107. The next prime is 1012112121143. The reversal of 1012112121122 is 2211212112101.

It can be written as a sum of positive squares in 2 ways, for example, as 886043807401 + 126068313721 = 941299^2 + 355061^2 .

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 1012112121122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497107097 + ... + 497109132.

Almost surely, 2^{1012112121122} is an apocalyptic number.

1012112121122 is a deficient number, since it is larger than the sum of its proper divisors (509038710778).

1012112121122 is an equidigital number, since it uses as much as digits as its factorization.

1012112121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994216740.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1012112121122 its reverse (2211212112101), we get a palindrome (3223324233223).

The spelling of 1012112121122 in words is "one trillion, twelve billion, one hundred twelve million, one hundred twenty-one thousand, one hundred twenty-two".