1202122222011 has 12 divisors (see below), whose sum is σ = 1838539869192. Its totient is φ = 754272766656.

The previous prime is 1202122222009. The next prime is 1202122222019. The reversal of 1202122222011 is 1102222212021.

It is a happy number.

It is not a de Polignac number, because 1202122222011 - 2¹ = 1202122222009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1202122222019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3928503841 + ... + 3928504146.

It is an arithmetic number, because the mean of its divisors is an integer number (153211655766).

Almost surely, 2^{1202122222011} is an apocalyptic number.

1202122222011 is a deficient number, since it is larger than the sum of its proper divisors (636417647181).

1202122222011 is a wasteful number, since it uses less digits than its factorization.

1202122222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7857008010 (or 7857008007 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1202122222011 its reverse (1102222212021), we get a palindrome (2304344434032).

The spelling of 1202122222011 in words is "one trillion, two hundred two billion, one hundred twenty-two million, two hundred twenty-two thousand, eleven".