131220022114 has 4 divisors (see below), whose sum is σ = 196830033174. Its totient is φ = 65610011056.

The previous prime is 131220022111. The next prime is 131220022133. The reversal of 131220022114 is 411220022131.

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

It can be written as a sum of positive squares in only one way, i.e., 122153745025 + 9066277089 = 349505^2 + 95217^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131220022091 and 131220022100.

It is not an unprimeable number, because it can be changed into a prime (131220022111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32805005527 + ... + 32805005530.

Almost surely, 2^131220022114 is an apocalyptic number.

131220022114 is a deficient number, since it is larger than the sum of its proper divisors (65610011060).

131220022114 is an equidigital number, since it uses as much as digits as its factorization.

131220022114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65610011059.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 131220022114 its reverse (411220022131), we get a palindrome (542440044245).

The spelling of 131220022114 in words is "one hundred thirty-one billion, two hundred twenty million, twenty-two thousand, one hundred fourteen".