10122121222211 has 8 divisors (see below), whose sum is σ = 10313181098640. Its totient is φ = 9931064177632.

The previous prime is 10122121222201. The next prime is 10122121222217. The reversal of 10122121222211 is 11222212122101.

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 10122121222211 - 2¹⁰ = 10122121221187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10122121222217) 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, 7369976 + ... + 8634858.

It is an arithmetic number, because the mean of its divisors is an integer number (1289147637330).

Almost surely, 2^{10122121222211} is an apocalyptic number.

10122121222211 is a deficient number, since it is larger than the sum of its proper divisors (191059876429).

10122121222211 is a wasteful number, since it uses less digits than its factorization.

10122121222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415925.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 10122121222211 its reverse (11222212122101), we get a palindrome (21344333344312).

The spelling of 10122121222211 in words is "ten trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred eleven".