1202221100011 has 4 divisors (see below), whose sum is σ = 1206086763024. Its totient is φ = 1198355437000.

The previous prime is 1202221100009. The next prime is 1202221100021. The reversal of 1202221100011 is 1100011222021.

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 1202221100011 - 2¹ = 1202221100009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202221099964 and 1202221100000.

It is not an unprimeable number, because it can be changed into a prime (1202221100021) 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, 1932831040 + ... + 1932831661.

It is an arithmetic number, because the mean of its divisors is an integer number (301521690756).

Almost surely, 2^{1202221100011} is an apocalyptic number.

1202221100011 is a deficient number, since it is larger than the sum of its proper divisors (3865663013).

1202221100011 is an equidigital number, since it uses as much as digits as its factorization.

1202221100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3865663012.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1202221100011 its reverse (1100011222021), we get a palindrome (2302232322032).

The spelling of 1202221100011 in words is "one trillion, two hundred two billion, two hundred twenty-one million, one hundred thousand, eleven".