100121020222210 has 32 divisors (see below), whose sum is σ = 194300544110400. Its totient is φ = 36925895176128.

The previous prime is 100121020222103. The next prime is 100121020222231. The reversal of 100121020222210 is 12222020121001.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435990360 + ... + 436219939.

It is an arithmetic number, because the mean of its divisors is an integer number (6071892003450).

Almost surely, 2^{100121020222210} is an apocalyptic number.

100121020222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100121020222210 is a deficient number, since it is larger than the sum of its proper divisors (94179523888190).

100121020222210 is a wasteful number, since it uses less digits than its factorization.

100121020222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872211202.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 100121020222210 its reverse (12222020121001), we get a palindrome (112343040343211).

The spelling of 100121020222210 in words is "one hundred trillion, one hundred twenty-one billion, twenty million, two hundred twenty-two thousand, two hundred ten".