101212121012122 has 32 divisors (see below), whose sum is σ = 153612404899200. Its totient is φ = 50010063584448.

The previous prime is 101212121012081. The next prime is 101212121012143. The reversal of 101212121012122 is 221210121212101.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 101212121012122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 908923653 + ... + 909034999.

It is an arithmetic number, because the mean of its divisors is an integer number (4800387653100).

Almost surely, 2^{101212121012122} is an apocalyptic number.

101212121012122 is a deficient number, since it is larger than the sum of its proper divisors (52400283887078).

101212121012122 is a wasteful number, since it uses less digits than its factorization.

101212121012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120630.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 101212121012122 its reverse (221210121212101), we get a palindrome (322422242224223).

The spelling of 101212121012122 in words is "one hundred one trillion, two hundred twelve billion, one hundred twenty-one million, twelve thousand, one hundred twenty-two".