20111303122310 has 16 divisors (see below), whose sum is σ = 36231742298016. Its totient is φ = 8037544209408.

The previous prime is 20111303122297. The next prime is 20111303122343. The reversal of 20111303122310 is 1322130311102.

It is a happy number.

It is a super-2 number, since 2×20111303122310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872117834 + ... + 872140893.

It is an arithmetic number, because the mean of its divisors is an integer number (2264483893626).

Almost surely, 2^{20111303122310} is an apocalyptic number.

20111303122310 is a deficient number, since it is larger than the sum of its proper divisors (16120439175706).

20111303122310 is a wasteful number, since it uses less digits than its factorization.

20111303122310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744259887.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20111303122310 its reverse (1322130311102), we get a palindrome (21433433433412).

The spelling of 20111303122310 in words is "twenty trillion, one hundred eleven billion, three hundred three million, one hundred twenty-two thousand, three hundred ten".