20122210001111 has 16 divisors (see below), whose sum is σ = 21275355561600. Its totient is φ = 18978643541088.

The previous prime is 20122210001099. The next prime is 20122210001147. The reversal of 20122210001111 is 11110001222102.

It is a cyclic number.

It is not a de Polignac number, because 20122210001111 - 2¹⁴ = 20122209984727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122210001911) 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, 1866005 + ... + 6612593.

It is an arithmetic number, because the mean of its divisors is an integer number (1329709722600).

Almost surely, 2^{20122210001111} is an apocalyptic number.

20122210001111 is a deficient number, since it is larger than the sum of its proper divisors (1153145560489).

20122210001111 is a wasteful number, since it uses less digits than its factorization.

20122210001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4747598.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20122210001111 its reverse (11110001222102), we get a palindrome (31232211223213).

The spelling of 20122210001111 in words is "twenty trillion, one hundred twenty-two billion, two hundred ten million, one thousand, one hundred eleven".