101202212111 has 16 divisors (see below), whose sum is σ = 135879894528. Its totient is φ = 72792799200.

The previous prime is 101202212093. The next prime is 101202212119. The reversal of 101202212111 is 111212202101.

It is a de Polignac number, because none of the positive numbers 2^k-101202212111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101202212119) 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 15 ways as a sum of consecutive naturals, for example, 50549555 + ... + 50551556.

It is an arithmetic number, because the mean of its divisors is an integer number (8492493408).

Almost surely, 2^101202212111 is an apocalyptic number.

101202212111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101202212111 is a deficient number, since it is larger than the sum of its proper divisors (34677682417).

101202212111 is a wasteful number, since it uses less digits than its factorization.

101202212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101101142.

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

Adding to 101202212111 its reverse (111212202101), we get a palindrome (212414414212).

It can be divided in two parts, 101202 and 212111, that added together give a palindrome (313313).

The spelling of 101202212111 in words is "one hundred one billion, two hundred two million, two hundred twelve thousand, one hundred eleven".