10212122210111 has 8 divisors (see below), whose sum is σ = 10814976103824. Its totient is φ = 9609506185600.

The previous prime is 10212122210089. The next prime is 10212122210113. The reversal of 10212122210111 is 11101222121201.

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 10212122210111 - 2²² = 10212118015807 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10212122210111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212122210113) 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, 59378900 + ... + 59550633.

It is an arithmetic number, because the mean of its divisors is an integer number (1351872012978).

Almost surely, 2^{10212122210111} is an apocalyptic number.

10212122210111 is a deficient number, since it is larger than the sum of its proper divisors (602853893713).

10212122210111 is a wasteful number, since it uses less digits than its factorization.

10212122210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118934601.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 10212122210111 its reverse (11101222121201), we get a palindrome (21313344331312).

It can be divided in two parts, 1021212 and 2210111, that added together give a palindrome (3231323).

The spelling of 10212122210111 in words is "ten trillion, two hundred twelve billion, one hundred twenty-two million, two hundred ten thousand, one hundred eleven".