1002202123111 has 16 divisors (see below), whose sum is σ = 1161116891200. Its totient is φ = 847224188928.

The previous prime is 1002202123093. The next prime is 1002202123127. The reversal of 1002202123111 is 1113212022001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002202123111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002202123141) 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, 19560535 + ... + 19611703.

It is an arithmetic number, because the mean of its divisors is an integer number (72569805700).

Almost surely, 2^{1002202123111} is an apocalyptic number.

1002202123111 is a deficient number, since it is larger than the sum of its proper divisors (158914768089).

1002202123111 is an equidigital number, since it uses as much as digits as its factorization.

1002202123111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89578.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1002202123111 its reverse (1113212022001), we get a palindrome (2115414145112).

The spelling of 1002202123111 in words is "one trillion, two billion, two hundred two million, one hundred twenty-three thousand, one hundred eleven".