1220032010011 has 4 divisors (see below), whose sum is σ = 1243051481952. Its totient is φ = 1197012538072.

The previous prime is 1220032009997. The next prime is 1220032010047. The reversal of 1220032010011 is 1100102300221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1220032010011 - 2⁵ = 1220032009979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220032009973 and 1220032010000.

It is not an unprimeable number, because it can be changed into a prime (1220032010051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11509735891 + ... + 11509735996.

It is an arithmetic number, because the mean of its divisors is an integer number (310762870488).

Almost surely, 2^{1220032010011} is an apocalyptic number.

1220032010011 is a deficient number, since it is larger than the sum of its proper divisors (23019471941).

1220032010011 is an equidigital number, since it uses as much as digits as its factorization.

1220032010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23019471940.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1220032010011 its reverse (1100102300221), we get a palindrome (2320134310232).

The spelling of 1220032010011 in words is "one trillion, two hundred twenty billion, thirty-two million, ten thousand, eleven".