1010111020121 has 8 divisors (see below), whose sum is σ = 1156434337344. Its totient is φ = 864293138640.

The previous prime is 1010111020099. The next prime is 1010111020159. The reversal of 1010111020121 is 1210201110101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1010111020121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010111020921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126354650 + ... + 126362643.

It is an arithmetic number, because the mean of its divisors is an integer number (144554292168).

Almost surely, 2^{1010111020121} is an apocalyptic number.

It is an amenable number.

1010111020121 is a deficient number, since it is larger than the sum of its proper divisors (146323317223).

1010111020121 is an equidigital number, since it uses as much as digits as its factorization.

1010111020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252717871.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1010111020121 its reverse (1210201110101), we get a palindrome (2220312130222).

The spelling of 1010111020121 in words is "one trillion, ten billion, one hundred eleven million, twenty thousand, one hundred twenty-one".