220121301130 has 8 divisors (see below), whose sum is σ = 396218342052. Its totient is φ = 88048520448.

The previous prime is 220121301091. The next prime is 220121301131. The reversal of 220121301130 is 31103121022.

It can be written as a sum of positive squares in 2 ways, for example, as 199817046081 + 20304255049 = 447009^2 + 142493^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×220121301130² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220121301131) 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, 11006065047 + ... + 11006065066.

Almost surely, 2^220121301130 is an apocalyptic number.

220121301130 is a deficient number, since it is larger than the sum of its proper divisors (176097040922).

220121301130 is a wasteful number, since it uses less digits than its factorization.

220121301130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22012130120.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 220121301130 its reverse (31103121022), we get a palindrome (251224422152).

The spelling of 220121301130 in words is "two hundred twenty billion, one hundred twenty-one million, three hundred one thousand, one hundred thirty".