220121001201110 has 32 divisors (see below), whose sum is σ = 420355397283840. Its totient is φ = 82757468822112.

The previous prime is 220121001201077. The next prime is 220121001201161. The reversal of 220121001201110 is 11102100121022.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4561123844 + ... + 4561172103.

It is an arithmetic number, because the mean of its divisors is an integer number (13136106165120).

Almost surely, 2^{220121001201110} is an apocalyptic number.

220121001201110 is a deficient number, since it is larger than the sum of its proper divisors (200234396082730).

220121001201110 is a wasteful number, since it uses less digits than its factorization.

220121001201110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9122296100.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 220121001201110 its reverse (11102100121022), we get a palindrome (231223101322132).

The spelling of 220121001201110 in words is "two hundred twenty trillion, one hundred twenty-one billion, one million, two hundred one thousand, one hundred ten".