221220333130030 has 16 divisors (see below), whose sum is σ = 428827107298464. Its totient is φ = 81681353771040.

The previous prime is 221220333129959. The next prime is 221220333130133. The reversal of 221220333130030 is 30031333022122.

It is a super-2 number, since 2×221220333130030² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221220333129977 and 221220333130004.

It is a congruent number.

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, 850847434986 + ... + 850847435245.

It is an arithmetic number, because the mean of its divisors is an integer number (26801694206154).

Almost surely, 2^{221220333130030} is an apocalyptic number.

221220333130030 is a deficient number, since it is larger than the sum of its proper divisors (207606774168434).

221220333130030 is a wasteful number, since it uses less digits than its factorization.

221220333130030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701694870251.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 221220333130030 its reverse (30031333022122), we get a palindrome (251251666152152).

The spelling of 221220333130030 in words is "two hundred twenty-one trillion, two hundred twenty billion, three hundred thirty-three million, one hundred thirty thousand, thirty".