100121102222222 has 8 divisors (see below), whose sum is σ = 151510694513616. Its totient is φ = 49617537384352.

The previous prime is 100121102222213. The next prime is 100121102222227. The reversal of 100121102222222 is 222222201121001.

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

It is a super-2 number, since 2×100121102222222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100121102222194 and 100121102222203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100121102222227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221506863098 + ... + 221506863549.

It is an arithmetic number, because the mean of its divisors is an integer number (18938836814202).

Almost surely, 2^{100121102222222} is an apocalyptic number.

100121102222222 is a deficient number, since it is larger than the sum of its proper divisors (51389592291394).

100121102222222 is a wasteful number, since it uses less digits than its factorization.

100121102222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443013726762.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 100121102222222 its reverse (222222201121001), we get a palindrome (322343303343223).

The spelling of 100121102222222 in words is "one hundred trillion, one hundred twenty-one billion, one hundred two million, two hundred twenty-two thousand, two hundred twenty-two".