100122101202021 has 8 divisors (see below), whose sum is σ = 133517402467104. Its totient is φ = 66737433702480.

The previous prime is 100122101202017. The next prime is 100122101202023. The reversal of 100122101202021 is 120202101221001.

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

It is not a de Polignac number, because 100122101202021 - 2² = 100122101202017 is a prime.

It is a super-3 number, since 3×100122101202021³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100122101202023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2658419415 + ... + 2658457076.

It is an arithmetic number, because the mean of its divisors is an integer number (16689675308388).

Almost surely, 2^{100122101202021} is an apocalyptic number.

It is an amenable number.

100122101202021 is a deficient number, since it is larger than the sum of its proper divisors (33395301265083).

100122101202021 is an equidigital number, since it uses as much as digits as its factorization.

100122101202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5316882771.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100122101202021 its reverse (120202101221001), we get a palindrome (220324202423022).

The spelling of 100122101202021 in words is "one hundred trillion, one hundred twenty-two billion, one hundred one million, two hundred two thousand, twenty-one".