101020101222111 has 16 divisors (see below), whose sum is σ = 138334205125344. Its totient is φ = 65526375544704.

The previous prime is 101020101222071. The next prime is 101020101222127. The reversal of 101020101222111 is 111222101020101.

It is a happy number.

It is not a de Polignac number, because 101020101222111 - 2¹¹ = 101020101220063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101020101222811) 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, 49586061 + ... + 51583113.

It is an arithmetic number, because the mean of its divisors is an integer number (8645887820334).

Almost surely, 2^{101020101222111} is an apocalyptic number.

101020101222111 is a deficient number, since it is larger than the sum of its proper divisors (37314103903233).

101020101222111 is a wasteful number, since it uses less digits than its factorization.

101020101222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452810.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101020101222111 its reverse (111222101020101), we get a palindrome (212242202242212).

The spelling of 101020101222111 in words is "one hundred one trillion, twenty billion, one hundred one million, two hundred twenty-two thousand, one hundred eleven".