212222030101 has 16 divisors (see below), whose sum is σ = 223534364544. Its totient is φ = 201091961664.

The previous prime is 212222030063. The next prime is 212222030117. The reversal of 212222030101 is 101030222212.

It is a happy number.

It is not a de Polignac number, because 212222030101 - 2⁷ = 212222029973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212222030201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1005910 + ... + 1198456.

It is an arithmetic number, because the mean of its divisors is an integer number (13970897784).

Almost surely, 2^212222030101 is an apocalyptic number.

It is an amenable number.

212222030101 is a deficient number, since it is larger than the sum of its proper divisors (11312334443).

212222030101 is a wasteful number, since it uses less digits than its factorization.

212222030101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193020.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 212222030101 its reverse (101030222212), we get a palindrome (313252252313).

The spelling of 212222030101 in words is "two hundred twelve billion, two hundred twenty-two million, thirty thousand, one hundred one".