202100101210111 has 8 divisors (see below), whose sum is σ = 217647515766800. Its totient is φ = 186552865642752.

The previous prime is 202100101210097. The next prime is 202100101210121. The reversal of 202100101210111 is 111012101001202.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 202100101210111 - 2⁹ = 202100101209599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202100101210091 and 202100101210100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202100101210121) 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, 42397665 + ... + 46922938.

It is an arithmetic number, because the mean of its divisors is an integer number (27205939470850).

Almost surely, 2^{202100101210111} is an apocalyptic number.

202100101210111 is a deficient number, since it is larger than the sum of its proper divisors (15547414556689).

202100101210111 is a wasteful number, since it uses less digits than its factorization.

202100101210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89494665.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 202100101210111 its reverse (111012101001202), we get a palindrome (313112202211313).

The spelling of 202100101210111 in words is "two hundred two trillion, one hundred billion, one hundred one million, two hundred ten thousand, one hundred eleven".