100121201021222 has 8 divisors (see below), whose sum is σ = 150181915763016. Its totient is φ = 50060562433552.

The previous prime is 100121201021201. The next prime is 100121201021251. The reversal of 100121201021222 is 222120102121001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 100121201021222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15629663 + ... + 21083850.

It is an arithmetic number, because the mean of its divisors is an integer number (18772739470377).

Almost surely, 2^{100121201021222} is an apocalyptic number.

100121201021222 is a deficient number, since it is larger than the sum of its proper divisors (50060714741794).

100121201021222 is a wasteful number, since it uses less digits than its factorization.

100121201021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38077062.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 100121201021222 its reverse (222120102121001), we get a palindrome (322241303142223).

The spelling of 100121201021222 in words is "one hundred trillion, one hundred twenty-one billion, two hundred one million, twenty-one thousand, two hundred twenty-two".