101022012111 has 32 divisors (see below), whose sum is σ = 144310118400. Its totient is φ = 62745589760.

The previous prime is 101022012109. The next prime is 101022012139. The reversal of 101022012111 is 111210220101.

It is a cyclic number.

It is not a de Polignac number, because 101022012111 - 2¹ = 101022012109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101022012181) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 116335 + ... + 464303.

It is an arithmetic number, because the mean of its divisors is an integer number (4509691200).

Almost surely, 2^101022012111 is an apocalyptic number.

101022012111 is a deficient number, since it is larger than the sum of its proper divisors (43288106289).

101022012111 is a wasteful number, since it uses less digits than its factorization.

101022012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348119.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101022012111 its reverse (111210220101), we get a palindrome (212232232212).

The spelling of 101022012111 in words is "one hundred one billion, twenty-two million, twelve thousand, one hundred eleven".