1210222022111 has 8 divisors (see below), whose sum is σ = 1217977344144. Its totient is φ = 1202467294080.

The previous prime is 1210222022083. The next prime is 1210222022131. The reversal of 1210222022111 is 1112202220121.

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 1210222022111 - 2⁶ = 1210222022047 is a prime.

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 1210222022111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210222022131) 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, 4380176 + ... + 4648266.

It is an arithmetic number, because the mean of its divisors is an integer number (152247168018).

Almost surely, 2^{1210222022111} is an apocalyptic number.

1210222022111 is a deficient number, since it is larger than the sum of its proper divisors (7755322033).

1210222022111 is a wasteful number, since it uses less digits than its factorization.

1210222022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297001.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1210222022111 its reverse (1112202220121), we get a palindrome (2322424242232).

It can be divided in two parts, 121022 and 2022111, that multiplied together give a palindrome (244719917442).

The spelling of 1210222022111 in words is "one trillion, two hundred ten billion, two hundred twenty-two million, twenty-two thousand, one hundred eleven".