121000222100010 has 128 divisors (see below), whose sum is σ = 336214190112768. Its totient is φ = 27543837824000.

The previous prime is 121000222099973. The next prime is 121000222100011. The reversal of 121000222100010 is 10001222000121.

It is not an unprimeable number, because it can be changed into a prime (121000222100011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22603746 + ... + 27439565.

It is an arithmetic number, because the mean of its divisors is an integer number (2626673360256).

Almost surely, 2^{121000222100010} is an apocalyptic number.

121000222100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121000222100010 is an abundant number, since it is smaller than the sum of its proper divisors (215213968012758).

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

121000222100010 is a wasteful number, since it uses less digits than its factorization.

121000222100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50043780.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121000222100010 its reverse (10001222000121), we get a palindrome (131001444100131).

The spelling of 121000222100010 in words is "one hundred twenty-one trillion, two hundred twenty-two million, one hundred thousand, ten".