100212022201 has 4 divisors (see below), whose sum is σ = 100528148772. Its totient is φ = 99895895632.

The previous prime is 100212022177. The next prime is 100212022279. The reversal of 100212022201 is 102220212001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102220212001 = 617 ⋅165672953.

It can be written as a sum of positive squares in 2 ways, for example, as 57072732201 + 43139290000 = 238899^2 + 207700^2 .

It is a cyclic number.

It is not a de Polignac number, because 100212022201 - 2¹³ = 100212014009 is a prime.

It is a super-2 number, since 2×100212022201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100212020201) 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, 158062810 + ... + 158063443.

It is an arithmetic number, because the mean of its divisors is an integer number (25132037193).

Almost surely, 2^100212022201 is an apocalyptic number.

It is an amenable number.

100212022201 is a deficient number, since it is larger than the sum of its proper divisors (316126571).

100212022201 is an equidigital number, since it uses as much as digits as its factorization.

100212022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316126570.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100212022201 its reverse (102220212001), we get a palindrome (202432234202).

The spelling of 100212022201 in words is "one hundred billion, two hundred twelve million, twenty-two thousand, two hundred one".