1222020002011 has 16 divisors (see below), whose sum is σ = 1276655133600. Its totient is φ = 1168233228288.

The previous prime is 1222020002003. The next prime is 1222020002039. The reversal of 1222020002011 is 1102000202221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1222020002011 - 2³ = 1222020002003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222020001982 and 1222020002000.

It is not an unprimeable number, because it can be changed into a prime (1222020002111) 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, 4375291 + ... + 4646203.

It is an arithmetic number, because the mean of its divisors is an integer number (79790945850).

Almost surely, 2^{1222020002011} is an apocalyptic number.

1222020002011 is a deficient number, since it is larger than the sum of its proper divisors (54635131589).

1222020002011 is a wasteful number, since it uses less digits than its factorization.

1222020002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272478.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1222020002011 its reverse (1102000202221), we get a palindrome (2324020204232).

The spelling of 1222020002011 in words is "one trillion, two hundred twenty-two billion, twenty million, two thousand, eleven".