350021011121011 has 4 divisors (see below), whose sum is σ = 351312601568224. Its totient is φ = 348729420673800.

The previous prime is 350021011121009. The next prime is 350021011121071. The reversal of 350021011121011 is 110121110120053.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 350021011121011 - 2¹ = 350021011121009 is a prime.

It is a super-2 number, since 2×350021011121011² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 350021011121011.

It is not an unprimeable number, because it can be changed into a prime (350021011121071) 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, 645795223200 + ... + 645795223741.

It is an arithmetic number, because the mean of its divisors is an integer number (87828150392056).

Almost surely, 2^{350021011121011} is an apocalyptic number.

350021011121011 is a deficient number, since it is larger than the sum of its proper divisors (1291590447213).

350021011121011 is a wasteful number, since it uses less digits than its factorization.

350021011121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291590447212.

The product of its (nonzero) digits is 60, while the sum is 19.

Adding to 350021011121011 its reverse (110121110120053), we get a palindrome (460142121241064).

The spelling of 350021011121011 in words is "three hundred fifty trillion, twenty-one billion, eleven million, one hundred twenty-one thousand, eleven".