100111212121022 has 8 divisors (see below), whose sum is σ = 151262926343856. Its totient is φ = 49690236673072.

The previous prime is 100111212121021. The next prime is 100111212121031. The reversal of 100111212121022 is 220121212111001.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100111212121021) 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, 182684693378 + ... + 182684693925.

It is an arithmetic number, because the mean of its divisors is an integer number (18907865792982).

Almost surely, 2^{100111212121022} is an apocalyptic number.

100111212121022 is a deficient number, since it is larger than the sum of its proper divisors (51151714222834).

100111212121022 is a wasteful number, since it uses less digits than its factorization.

100111212121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365369387442.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 100111212121022 its reverse (220121212111001), we get a palindrome (320232424232023).

The spelling of 100111212121022 in words is "one hundred trillion, one hundred eleven billion, two hundred twelve million, one hundred twenty-one thousand, twenty-two".