1121111022201 has 32 divisors (see below), whose sum is σ = 1567223562240. Its totient is φ = 711513701184.

The previous prime is 1121111022167. The next prime is 1121111022233. The reversal of 1121111022201 is 1022201111211.

It is a happy number.

It is not a de Polignac number, because 1121111022201 - 2⁶ = 1121111022137 is a prime.

It is a super-2 number, since 2×1121111022201² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1121111029201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76419895 + ... + 76434563.

It is an arithmetic number, because the mean of its divisors is an integer number (48975736320).

Almost surely, 2^{1121111022201} is an apocalyptic number.

It is an amenable number.

1121111022201 is a deficient number, since it is larger than the sum of its proper divisors (446112540039).

1121111022201 is a wasteful number, since it uses less digits than its factorization.

1121111022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19885.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1121111022201 its reverse (1022201111211), we get a palindrome (2143312133412).

The spelling of 1121111022201 in words is "one trillion, one hundred twenty-one billion, one hundred eleven million, twenty-two thousand, two hundred one".