1011010112121 has 16 divisors (see below), whose sum is σ = 1350043128000. Its totient is φ = 672992678400.

The previous prime is 1011010112083. The next prime is 1011010112179. The reversal of 1011010112121 is 1212110101101.

It is not a de Polignac number, because 1011010112121 - 2²⁷ = 1010875894393 is a prime.

It is a super-2 number, since 2×1011010112121² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1011010112097 and 1011010112106.

It is not an unprimeable number, because it can be changed into a prime (1011010112191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5307301 + ... + 5494493.

It is an arithmetic number, because the mean of its divisors is an integer number (84377695500).

Almost surely, 2^{1011010112121} is an apocalyptic number.

It is an amenable number.

1011010112121 is a deficient number, since it is larger than the sum of its proper divisors (339033015879).

1011010112121 is a wasteful number, since it uses less digits than its factorization.

1011010112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189896.

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

Adding to 1011010112121 its reverse (1212110101101), we get a palindrome (2223120213222).

The spelling of 1011010112121 in words is "one trillion, eleven billion, ten million, one hundred twelve thousand, one hundred twenty-one".