100020201221222 has 8 divisors (see below), whose sum is σ = 150031041510000. Its totient is φ = 50009854051224.

The previous prime is 100020201221147. The next prime is 100020201221257. The reversal of 100020201221222 is 222122102020001.

It is a happy number.

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 100020201221222.

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, 122772197 + ... + 123584192.

It is an arithmetic number, because the mean of its divisors is an integer number (18753880188750).

Almost surely, 2^{100020201221222} is an apocalyptic number.

100020201221222 is a deficient number, since it is larger than the sum of its proper divisors (50010840288778).

100020201221222 is a wasteful number, since it uses less digits than its factorization.

100020201221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246559390.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 100020201221222 its reverse (222122102020001), we get a palindrome (322142303241223).

The spelling of 100020201221222 in words is "one hundred trillion, twenty billion, two hundred one million, two hundred twenty-one thousand, two hundred twenty-two".