1222011022001 has 48 divisors (see below), whose sum is σ = 1636572600000. Its totient is φ = 899777773440.

The previous prime is 1222011021991. The next prime is 1222011022021. The reversal of 1222011022001 is 1002201102221.

It is not a de Polignac number, because 1222011022001 - 2¹⁸ = 1222010759857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222011022021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3830375 + ... + 4137123.

It is an arithmetic number, because the mean of its divisors is an integer number (34095262500).

Almost surely, 2^{1222011022001} is an apocalyptic number.

1222011022001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1222011022001 is a deficient number, since it is larger than the sum of its proper divisors (414561577999).

1222011022001 is a wasteful number, since it uses less digits than its factorization.

1222011022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307182 (or 307175 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1222011022001 its reverse (1002201102221), we get a palindrome (2224212124222).

The spelling of 1222011022001 in words is "one trillion, two hundred twenty-two billion, eleven million, twenty-two thousand, one".