1002220120111 has 24 divisors (see below), whose sum is σ = 1187993990880. Its totient is φ = 842731710912.

The previous prime is 1002220120061. The next prime is 1002220120127. The reversal of 1002220120111 is 1110210222001.

It is not a de Polignac number, because 1002220120111 - 2²⁷ = 1002085902383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1002220120091 and 1002220120100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002220120151) 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, 26130030 + ... + 26168356.

It is an arithmetic number, because the mean of its divisors is an integer number (49499749620).

Almost surely, 2^{1002220120111} is an apocalyptic number.

1002220120111 is a deficient number, since it is larger than the sum of its proper divisors (185773870769).

1002220120111 is a wasteful number, since it uses less digits than its factorization.

1002220120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48463 (or 48456 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1002220120111 its reverse (1110210222001), we get a palindrome (2112430342112).

The spelling of 1002220120111 in words is "one trillion, two billion, two hundred twenty million, one hundred twenty thousand, one hundred eleven".