121122100210 has 16 divisors (see below), whose sum is σ = 227498901696. Its totient is φ = 46342368688.

The previous prime is 121122100199. The next prime is 121122100223. The reversal of 121122100210 is 12001221121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263308684 + ... + 263309143.

It is an arithmetic number, because the mean of its divisors is an integer number (14218681356).

Almost surely, 2^121122100210 is an apocalyptic number.

121122100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121122100210 is a deficient number, since it is larger than the sum of its proper divisors (106376801486).

121122100210 is a wasteful number, since it uses less digits than its factorization.

121122100210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526617857.

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

Adding to 121122100210 its reverse (12001221121), we get a palindrome (133123321331).

The spelling of 121122100210 in words is "one hundred twenty-one billion, one hundred twenty-two million, one hundred thousand, two hundred ten".