1011200210121 has 32 divisors (see below), whose sum is σ = 1411419045888. Its totient is φ = 642747536640.

The previous prime is 1011200210077. The next prime is 1011200210159. The reversal of 1011200210121 is 1210120021101.

It is not a de Polignac number, because 1011200210121 - 2⁷ = 1011200209993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1011200210097 and 1011200210106.

It is not an unprimeable number, because it can be changed into a prime (1011200210191) 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, 100004856 + ... + 100014966.

It is an arithmetic number, because the mean of its divisors is an integer number (44106845184).

Almost surely, 2^{1011200210121} is an apocalyptic number.

It is an amenable number.

1011200210121 is a deficient number, since it is larger than the sum of its proper divisors (400218835767).

1011200210121 is a wasteful number, since it uses less digits than its factorization.

1011200210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14661.

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

Adding to 1011200210121 its reverse (1210120021101), we get a palindrome (2221320231222).

The spelling of 1011200210121 in words is "one trillion, eleven billion, two hundred million, two hundred ten thousand, one hundred twenty-one".