1211010122222 has 8 divisors (see below), whose sum is σ = 1816523710896. Its totient is φ = 605502218592.

The previous prime is 1211010122219. The next prime is 1211010122239. The reversal of 1211010122222 is 2222210101121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1211010122222² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1211010122222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 841403 + ... + 1769174.

It is an arithmetic number, because the mean of its divisors is an integer number (227065463862).

Almost surely, 2^{1211010122222} is an apocalyptic number.

1211010122222 is a deficient number, since it is larger than the sum of its proper divisors (605513588674).

1211010122222 is a wasteful number, since it uses less digits than its factorization.

1211010122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842522.

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

Adding to 1211010122222 its reverse (2222210101121), we get a palindrome (3433220223343).

The spelling of 1211010122222 in words is "one trillion, two hundred eleven billion, ten million, one hundred twenty-two thousand, two hundred twenty-two".