121010212220210 has 32 divisors (see below), whose sum is σ = 224941158577152. Its totient is φ = 46822584219840.

The previous prime is 121010212220173. The next prime is 121010212220243. The reversal of 121010212220210 is 12022212010121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82936334 + ... + 84382793.

It is an arithmetic number, because the mean of its divisors is an integer number (7029411205536).

Almost surely, 2^{121010212220210} is an apocalyptic number.

121010212220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121010212220210 is a deficient number, since it is larger than the sum of its proper divisors (103930946356942).

121010212220210 is a wasteful number, since it uses less digits than its factorization.

121010212220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167321498.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121010212220210 its reverse (12022212010121), we get a palindrome (133032424230331).

The spelling of 121010212220210 in words is "one hundred twenty-one trillion, ten billion, two hundred twelve million, two hundred twenty thousand, two hundred ten".