121000100212210 has 16 divisors (see below), whose sum is σ = 227269753442496. Its totient is φ = 46295690515888.

The previous prime is 121000100212171. The next prime is 121000100212219. The reversal of 121000100212210 is 12212001000121.

It is not an unprimeable number, because it can be changed into a prime (121000100212219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263043695884 + ... + 263043696343.

It is an arithmetic number, because the mean of its divisors is an integer number (14204359590156).

Almost surely, 2^{121000100212210} is an apocalyptic number.

121000100212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121000100212210 is a deficient number, since it is larger than the sum of its proper divisors (106269653230286).

121000100212210 is a wasteful number, since it uses less digits than its factorization.

121000100212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526087392257.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121000100212210 its reverse (12212001000121), we get a palindrome (133212101212331).

The spelling of 121000100212210 in words is "one hundred twenty-one trillion, one hundred million, two hundred twelve thousand, two hundred ten".