131122221035 has 16 divisors (see below), whose sum is σ = 170743779360. Its totient is φ = 96089560320.

The previous prime is 131122221023. The next prime is 131122221103. The reversal of 131122221035 is 530122221131.

It is not a de Polignac number, because 131122221035 - 2¹⁴ = 131122204651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131122221035.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7690970 + ... + 7707999.

It is an arithmetic number, because the mean of its divisors is an integer number (10671486210).

Almost surely, 2^131122221035 is an apocalyptic number.

131122221035 is a deficient number, since it is larger than the sum of its proper divisors (39621558325).

131122221035 is a wasteful number, since it uses less digits than its factorization.

131122221035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15399118.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 131122221035 its reverse (530122221131), we get a palindrome (661244442166).

The spelling of 131122221035 in words is "one hundred thirty-one billion, one hundred twenty-two million, two hundred twenty-one thousand, thirty-five".