2221122002211 has 24 divisors (see below), whose sum is σ = 3756043715424. Its totient is φ = 1238256167040.

The previous prime is 2221122002179. The next prime is 2221122002369. The reversal of 2221122002211 is 1122002211222.

It is a happy number.

2221122002211 is a `hidden beast` number, since 2 + 221 + 1 + 220 + 0 + 221 + 1 = 666.

It is not a de Polignac number, because 2221122002211 - 2⁵ = 2221122002179 is a prime.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (2221122006211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 429947476 + ... + 429952641.

It is an arithmetic number, because the mean of its divisors is an integer number (156501821476).

Almost surely, 2^{2221122002211} is an apocalyptic number.

2221122002211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2221122002211 is a deficient number, since it is larger than the sum of its proper divisors (1534921713213).

2221122002211 is a wasteful number, since it uses less digits than its factorization.

2221122002211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859900171 (or 859900168 counting only the distinct ones).

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

Adding to 2221122002211 its reverse (1122002211222), we get a palindrome (3343124213433).

The spelling of 2221122002211 in words is "two trillion, two hundred twenty-one billion, one hundred twenty-two million, two thousand, two hundred eleven".