101220212200111 has 4 divisors (see below), whose sum is σ = 102439732829112. Its totient is φ = 100000691571112.

The previous prime is 101220212200087. The next prime is 101220212200127. The reversal of 101220212200111 is 111002212022101.

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 101220212200111 - 2¹⁹ = 101220211675823 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 (101220212200511) 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, 609760314376 + ... + 609760314541.

It is an arithmetic number, because the mean of its divisors is an integer number (25609933207278).

Almost surely, 2^{101220212200111} is an apocalyptic number.

101220212200111 is a deficient number, since it is larger than the sum of its proper divisors (1219520629001).

101220212200111 is an equidigital number, since it uses as much as digits as its factorization.

101220212200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219520629000.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101220212200111 its reverse (111002212022101), we get a palindrome (212222424222212).

The spelling of 101220212200111 in words is "one hundred one trillion, two hundred twenty billion, two hundred twelve million, two hundred thousand, one hundred eleven".