101222201212 has 48 divisors (see below), whose sum is σ = 195383301120. Its totient is φ = 45501416000.

The previous prime is 101222201203. The next prime is 101222201221. The reversal of 101222201212 is 212102222101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (101222201203) and next prime (101222201221).

It is a super-2 number, since 2×101222201212² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3928989 + ... + 3954667.

It is an arithmetic number, because the mean of its divisors is an integer number (4070485440).

Almost surely, 2^101222201212 is an apocalyptic number.

It is an amenable number.

101222201212 is a deficient number, since it is larger than the sum of its proper divisors (94161099908).

101222201212 is a wasteful number, since it uses less digits than its factorization.

101222201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26682 (or 26680 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 101222201212 its reverse (212102222101), we get a palindrome (313324423313).

The spelling of 101222201212 in words is "one hundred one billion, two hundred twenty-two million, two hundred one thousand, two hundred twelve".