221120223021310 has 64 divisors (see below), whose sum is σ = 424338007080960. Its totient is φ = 82671229255680.

The previous prime is 221120223021281. The next prime is 221120223021331. The reversal of 221120223021310 is 13120322021122.

It is a super-2 number, since 2×221120223021310² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48224515 + ... + 52610305.

It is an arithmetic number, because the mean of its divisors is an integer number (6630281360640).

Almost surely, 2^{221120223021310} is an apocalyptic number.

221120223021310 is a deficient number, since it is larger than the sum of its proper divisors (203217784059650).

221120223021310 is a wasteful number, since it uses less digits than its factorization.

221120223021310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4387861.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 221120223021310 its reverse (13120322021122), we get a palindrome (234240545042432).

The spelling of 221120223021310 in words is "two hundred twenty-one trillion, one hundred twenty billion, two hundred twenty-three million, twenty-one thousand, three hundred ten".