121100010212210 has 32 divisors (see below), whose sum is σ = 218412784497600. Its totient is φ = 48343902523840.

The previous prime is 121100010212189. The next prime is 121100010212213. The reversal of 121100010212210 is 12212010001121.

It is a super-3 number, since 3×121100010212210³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (121100010212213) 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, 9817661 + ... + 18400719.

It is an arithmetic number, because the mean of its divisors is an integer number (6825399515550).

Almost surely, 2^{121100010212210} is an apocalyptic number.

121100010212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121100010212210 is a deficient number, since it is larger than the sum of its proper divisors (97312774285390).

121100010212210 is a wasteful number, since it uses less digits than its factorization.

121100010212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8585866.

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

Adding to 121100010212210 its reverse (12212010001121), we get a palindrome (133312020213331).

The spelling of 121100010212210 in words is "one hundred twenty-one trillion, one hundred billion, ten million, two hundred twelve thousand, two hundred ten".