1010200112121 has 32 divisors (see below), whose sum is σ = 1429134409728. Its totient is φ = 633606217920.

The previous prime is 1010200112093. The next prime is 1010200112123. The reversal of 1010200112121 is 1212110020101.

It is not a de Polignac number, because 1010200112121 - 2¹⁸ = 1010199849977 is a prime.

It is a super-2 number, since 2×1010200112121² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1010200112097 and 1010200112106.

It is not an unprimeable number, because it can be changed into a prime (1010200112123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4088320 + ... + 4328366.

It is an arithmetic number, because the mean of its divisors is an integer number (44660450304).

Almost surely, 2^{1010200112121} is an apocalyptic number.

It is an amenable number.

1010200112121 is a deficient number, since it is larger than the sum of its proper divisors (418934297607).

1010200112121 is a wasteful number, since it uses less digits than its factorization.

1010200112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241341.

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

Adding to 1010200112121 its reverse (1212110020101), we get a palindrome (2222310132222).

The spelling of 1010200112121 in words is "one trillion, ten billion, two hundred million, one hundred twelve thousand, one hundred twenty-one".