121000220012010 has 32 divisors (see below), whose sum is σ = 290407515330240. Its totient is φ = 32265948969728.

The previous prime is 121000220011963. The next prime is 121000220012099. The reversal of 121000220012010 is 10210022000121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47254767 + ... + 49749506.

It is an arithmetic number, because the mean of its divisors is an integer number (9075234854070).

Almost surely, 2^{121000220012010} is an apocalyptic number.

121000220012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121000220012010 is an abundant number, since it is smaller than the sum of its proper divisors (169407295318230).

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

121000220012010 is a wasteful number, since it uses less digits than its factorization.

121000220012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97045862.

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

Adding to 121000220012010 its reverse (10210022000121), we get a palindrome (131210242012131).

The spelling of 121000220012010 in words is "one hundred twenty-one trillion, two hundred twenty million, twelve thousand, ten".