100121020222 has 4 divisors (see below), whose sum is σ = 150181530336. Its totient is φ = 50060510110.

The previous prime is 100121020157. The next prime is 100121020267. The reversal of 100121020222 is 222020121001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222020121001 = 7 ⋅31717160143.

It is a congruent 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 as a sum of consecutive naturals, namely, 25030255054 + ... + 25030255057.

It is an arithmetic number, because the mean of its divisors is an integer number (37545382584).

Almost surely, 2^100121020222 is an apocalyptic number.

100121020222 is a deficient number, since it is larger than the sum of its proper divisors (50060510114).

100121020222 is an equidigital number, since it uses as much as digits as its factorization.

100121020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50060510113.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100121020222 its reverse (222020121001), we get a palindrome (322141141223).

The spelling of 100121020222 in words is "one hundred billion, one hundred twenty-one million, twenty thousand, two hundred twenty-two".