1202221023311 has 16 divisors (see below), whose sum is σ = 1504207058688. Its totient is φ = 933461793600.

The previous prime is 1202221023259. The next prime is 1202221023317. The reversal of 1202221023311 is 1133201222021.

It is not a de Polignac number, because 1202221023311 - 2¹⁰ = 1202221022287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202221023317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27759965 + ... + 27803238.

It is an arithmetic number, because the mean of its divisors is an integer number (94012941168).

Almost surely, 2^{1202221023311} is an apocalyptic number.

1202221023311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1202221023311 is a deficient number, since it is larger than the sum of its proper divisors (301986035377).

1202221023311 is a wasteful number, since it uses less digits than its factorization.

1202221023311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55563502.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1202221023311 its reverse (1133201222021), we get a palindrome (2335422245332).

The spelling of 1202221023311 in words is "one trillion, two hundred two billion, two hundred twenty-one million, twenty-three thousand, three hundred eleven".