1222210101211 has 16 divisors (see below), whose sum is σ = 1346639551488. Its totient is φ = 1100002492000.

The previous prime is 1222210101173. The next prime is 1222210101223. The reversal of 1222210101211 is 1121010122221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222210101211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222210101241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14609046 + ... + 14692468.

It is an arithmetic number, because the mean of its divisors is an integer number (84164971968).

Almost surely, 2^{1222210101211} is an apocalyptic number.

1222210101211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1222210101211 is a deficient number, since it is larger than the sum of its proper divisors (124429450277).

1222210101211 is a wasteful number, since it uses less digits than its factorization.

1222210101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96722.

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

Adding to 1222210101211 its reverse (1121010122221), we get a palindrome (2343220223432).

It can be divided in two parts, 122221010 and 1211, that added together give a palindrome (122222221).

The spelling of 1222210101211 in words is "one trillion, two hundred twenty-two billion, two hundred ten million, one hundred one thousand, two hundred eleven".