101101001220212 has 144 divisors (see below), whose sum is σ = 222207231597120. Its totient is φ = 39981539017728.

The previous prime is 101101001220211. The next prime is 101101001220287. The reversal of 101101001220212 is 212022100101101.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101101001220211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72637943 + ... + 74016705.

It is an arithmetic number, because the mean of its divisors is an integer number (1543105774980).

Almost surely, 2^{101101001220212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101101001220212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111103615798560).

101101001220212 is an abundant number, since it is smaller than the sum of its proper divisors (121106230376908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101101001220212 is a wasteful number, since it uses less digits than its factorization.

101101001220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379230 (or 1379221 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101101001220212 its reverse (212022100101101), we get a palindrome (313123101321313).

The spelling of 101101001220212 in words is "one hundred one trillion, one hundred one billion, one million, two hundred twenty thousand, two hundred twelve".