1012102110122 has 4 divisors (see below), whose sum is σ = 1518153165186. Its totient is φ = 506051055060.

The previous prime is 1012102110101. The next prime is 1012102110139. The reversal of 1012102110122 is 2210112012101.

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., 747915362041 + 264186748081 = 864821^2 + 513991^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1012102110097 and 1012102110106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253025527529 + ... + 253025527532.

Almost surely, 2^{1012102110122} is an apocalyptic number.

1012102110122 is a deficient number, since it is larger than the sum of its proper divisors (506051055064).

1012102110122 is an equidigital number, since it uses as much as digits as its factorization.

1012102110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506051055063.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1012102110122 its reverse (2210112012101), we get a palindrome (3222214122223).

The spelling of 1012102110122 in words is "one trillion, twelve billion, one hundred two million, one hundred ten thousand, one hundred twenty-two".