121012222100210 has 16 divisors (see below), whose sum is σ = 248939428320576. Its totient is φ = 41489904720048.

The previous prime is 121012222100207. The next prime is 121012222100221. The reversal of 121012222100210 is 12001222210121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 864373014932 + ... + 864373015071.

It is an arithmetic number, because the mean of its divisors is an integer number (15558714270036).

Almost surely, 2^{121012222100210} is an apocalyptic number.

121012222100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121012222100210 is an abundant number, since it is smaller than the sum of its proper divisors (127927206220366).

121012222100210 is a wasteful number, since it uses less digits than its factorization.

121012222100210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728746030017.

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

Adding to 121012222100210 its reverse (12001222210121), we get a palindrome (133013444310331).

The spelling of 121012222100210 in words is "one hundred twenty-one trillion, twelve billion, two hundred twenty-two million, one hundred thousand, two hundred ten".