12020220022111 has 16 divisors (see below), whose sum is σ = 13878711705600. Its totient is φ = 10197599829120.

The previous prime is 12020220022103. The next prime is 12020220022147. The reversal of 12020220022111 is 11122002202021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12020220022111 - 2³ = 12020220022103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020220022511) 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, 22322986 + ... + 22855111.

It is an arithmetic number, because the mean of its divisors is an integer number (867419481600).

Almost surely, 2^{12020220022111} is an apocalyptic number.

12020220022111 is a deficient number, since it is larger than the sum of its proper divisors (1858491683489).

12020220022111 is a wasteful number, since it uses less digits than its factorization.

12020220022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45178494.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12020220022111 its reverse (11122002202021), we get a palindrome (23142222224132).

The spelling of 12020220022111 in words is "twelve trillion, twenty billion, two hundred twenty million, twenty-two thousand, one hundred eleven".