1012010111121 has 8 divisors (see below), whose sum is σ = 1420365068320. Its totient is φ = 639164280672.

The previous prime is 1012010111117. The next prime is 1012010111141. The reversal of 1012010111121 is 1211110102101.

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

It is not a de Polignac number, because 1012010111121 - 2² = 1012010111117 is a prime.

It is a super-2 number, since 2×1012010111121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012010111097 and 1012010111106.

It is not an unprimeable number, because it can be changed into a prime (1012010111141) 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, 8877281620 + ... + 8877281733.

It is an arithmetic number, because the mean of its divisors is an integer number (177545633540).

Almost surely, 2^{1012010111121} is an apocalyptic number.

It is an amenable number.

1012010111121 is a deficient number, since it is larger than the sum of its proper divisors (408354957199).

1012010111121 is a wasteful number, since it uses less digits than its factorization.

1012010111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17754563375.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1012010111121 its reverse (1211110102101), we get a palindrome (2223120213222).

The spelling of 1012010111121 in words is "one trillion, twelve billion, ten million, one hundred eleven thousand, one hundred twenty-one".