121102222121210 has 64 divisors (see below), whose sum is σ = 248190175989504. Its totient is φ = 42113975692800.

The previous prime is 121102222121203. The next prime is 121102222121267. The reversal of 121102222121210 is 12121222201121.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7642880 + ... + 17338340.

It is an arithmetic number, because the mean of its divisors is an integer number (3877971499836).

Almost surely, 2^{121102222121210} is an apocalyptic number.

121102222121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121102222121210 is an abundant number, since it is smaller than the sum of its proper divisors (127087953868294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121102222121210 is a wasteful number, since it uses less digits than its factorization.

121102222121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9700439.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 121102222121210 its reverse (12121222201121), we get a palindrome (133223444322331).

The spelling of 121102222121210 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred ten".