1011220212201 has 8 divisors (see below), whose sum is σ = 1348321639200. Its totient is φ = 674132796672.

The previous prime is 1011220212193. The next prime is 1011220212217. The reversal of 1011220212201 is 1022120221101.

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

It is not a de Polignac number, because 1011220212201 - 2³ = 1011220212193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011220210201) 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, 3333295 + ... + 3623988.

It is an arithmetic number, because the mean of its divisors is an integer number (168540204900).

Almost surely, 2^{1011220212201} is an apocalyptic number.

It is an amenable number.

1011220212201 is a deficient number, since it is larger than the sum of its proper divisors (337101426999).

1011220212201 is an equidigital number, since it uses as much as digits as its factorization.

1011220212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7005735.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1011220212201 its reverse (1022120221101), we get a palindrome (2033340433302).

The spelling of 1011220212201 in words is "one trillion, eleven billion, two hundred twenty million, two hundred twelve thousand, two hundred one".