511031406122 has 8 divisors (see below), whose sum is σ = 766578138816. Its totient is φ = 255505359852.

The previous prime is 511031406121. The next prime is 511031406191. The reversal of 511031406122 is 221604130115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×511031406122² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 511031406091 and 511031406100.

It is not an unprimeable number, because it can be changed into a prime (511031406121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5109698 + ... + 5208749.

It is an arithmetic number, because the mean of its divisors is an integer number (95822267352).

Almost surely, 2^511031406122 is an apocalyptic number.

511031406122 is a deficient number, since it is larger than the sum of its proper divisors (255546732694).

511031406122 is a wasteful number, since it uses less digits than its factorization.

511031406122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10343212.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 511031406122 its reverse (221604130115), we get a palindrome (732635536237).

The spelling of 511031406122 in words is "five hundred eleven billion, thirty-one million, four hundred six thousand, one hundred twenty-two".