122021320130 has 16 divisors (see below), whose sum is σ = 220114823544. Its totient is φ = 48702650880.

The previous prime is 122021320123. The next prime is 122021320217. The reversal of 122021320130 is 31023120221.

It can be written as a sum of positive squares in 4 ways, for example, as 45763049929 + 76258270201 = 213923^2 + 276149^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122021320099 and 122021320108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13229807 + ... + 13239026.

Almost surely, 2^122021320130 is an apocalyptic number.

122021320130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122021320130 is a deficient number, since it is larger than the sum of its proper divisors (98093503414).

122021320130 is a wasteful number, since it uses less digits than its factorization.

122021320130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26469301.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 122021320130 its reverse (31023120221), we get a palindrome (153044440351).

The spelling of 122021320130 in words is "one hundred twenty-two billion, twenty-one million, three hundred twenty thousand, one hundred thirty".