121001220022210 has 32 divisors (see below), whose sum is σ = 237603386809152. Its totient is φ = 44000260102080.

The previous prime is 121001220022141. The next prime is 121001220022211. The reversal of 121001220022210 is 12220022100121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121001220022211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25746532 + ... + 30081328.

It is an arithmetic number, because the mean of its divisors is an integer number (7425105837786).

Almost surely, 2^{121001220022210} is an apocalyptic number.

121001220022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121001220022210 is a deficient number, since it is larger than the sum of its proper divisors (116602166786942).

121001220022210 is a wasteful number, since it uses less digits than its factorization.

121001220022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4588578.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121001220022210 its reverse (12220022100121), we get a palindrome (133221242122331).

The spelling of 121001220022210 in words is "one hundred twenty-one trillion, one billion, two hundred twenty million, twenty-two thousand, two hundred ten".