1012110200121 has 24 divisors (see below), whose sum is σ = 1387132529664. Its totient is φ = 656412050880.

The previous prime is 1012110200077. The next prime is 1012110200147. The reversal of 1012110200121 is 1210020112101.

It is not a de Polignac number, because 1012110200121 - 2⁹ = 1012110199609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012110200097 and 1012110200106.

It is not an unprimeable number, because it can be changed into a prime (1012110200221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41513691 + ... + 41538063.

It is an arithmetic number, because the mean of its divisors is an integer number (57797188736).

Almost surely, 2^{1012110200121} is an apocalyptic number.

It is an amenable number.

1012110200121 is a deficient number, since it is larger than the sum of its proper divisors (375022329543).

1012110200121 is a wasteful number, since it uses less digits than its factorization.

1012110200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34561 (or 34524 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1012110200121 its reverse (1210020112101), we get a palindrome (2222130312222).

The spelling of 1012110200121 in words is "one trillion, twelve billion, one hundred ten million, two hundred thousand, one hundred twenty-one".