1011200110221 has 32 divisors (see below), whose sum is σ = 1569064366080. Its totient is φ = 567284026176.

The previous prime is 1011200110213. The next prime is 1011200110223. The reversal of 1011200110221 is 1220110021101.

It is not a de Polignac number, because 1011200110221 - 2³ = 1011200110213 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1011200110197 and 1011200110206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011200110223) 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, 398860 + ... + 1476986.

It is an arithmetic number, because the mean of its divisors is an integer number (49033261440).

Almost surely, 2^{1011200110221} is an apocalyptic number.

It is an amenable number.

1011200110221 is a deficient number, since it is larger than the sum of its proper divisors (557864255859).

1011200110221 is a wasteful number, since it uses less digits than its factorization.

1011200110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078953.

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

Adding to 1011200110221 its reverse (1220110021101), we get a palindrome (2231310131322).

The spelling of 1011200110221 in words is "one trillion, eleven billion, two hundred million, one hundred ten thousand, two hundred twenty-one".