131101211122 has 32 divisors (see below), whose sum is σ = 232961040000. Its totient is φ = 54139978368.

The previous prime is 131101211083. The next prime is 131101211161. The reversal of 131101211122 is 221112101131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131101211083) and next prime (131101211161).

It is a junction number, because it is equal to n+sod(n) for n = 131101211096 and 131101211105.

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, 120963 + ... + 526150.

It is an arithmetic number, because the mean of its divisors is an integer number (7280032500).

Almost surely, 2^131101211122 is an apocalyptic number.

131101211122 is a deficient number, since it is larger than the sum of its proper divisors (101859828878).

131101211122 is a wasteful number, since it uses less digits than its factorization.

131101211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647650.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 131101211122 its reverse (221112101131), we get a palindrome (352213312253).

The spelling of 131101211122 in words is "one hundred thirty-one billion, one hundred one million, two hundred eleven thousand, one hundred twenty-two".