101013212111 has 4 divisors (see below), whose sum is σ = 115443670992. Its totient is φ = 86582753232.

The previous prime is 101013212107. The next prime is 101013212149. The reversal of 101013212111 is 111212310101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101013212111 - 2² = 101013212107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101013212411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7215229430 + ... + 7215229443.

It is an arithmetic number, because the mean of its divisors is an integer number (28860917748).

Almost surely, 2^101013212111 is an apocalyptic number.

101013212111 is a deficient number, since it is larger than the sum of its proper divisors (14430458881).

101013212111 is an equidigital number, since it uses as much as digits as its factorization.

101013212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14430458880.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 101013212111 its reverse (111212310101), we get a palindrome (212225522212).

The spelling of 101013212111 in words is "one hundred one billion, thirteen million, two hundred twelve thousand, one hundred eleven".