101212100202111 has 8 divisors (see below), whose sum is σ = 134949648407424. Its totient is φ = 67474642732440.

The previous prime is 101212100202107. The next prime is 101212100202217. The reversal of 101212100202111 is 111202001212101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101212100202111 - 2² = 101212100202107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212100202911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20037045 + ... + 24574526.

It is an arithmetic number, because the mean of its divisors is an integer number (16868706050928).

Almost surely, 2^{101212100202111} is an apocalyptic number.

101212100202111 is a deficient number, since it is larger than the sum of its proper divisors (33737548205313).

101212100202111 is an equidigital number, since it uses as much as digits as its factorization.

101212100202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45367821.

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

Adding to 101212100202111 its reverse (111202001212101), we get a palindrome (212414101414212).

The spelling of 101212100202111 in words is "one hundred one trillion, two hundred twelve billion, one hundred million, two hundred two thousand, one hundred eleven".