211222121002 has 8 divisors (see below), whose sum is σ = 317115315936. Its totient is φ = 105517015692.

The previous prime is 211222120933. The next prime is 211222121039. The reversal of 211222121002 is 200121222112.

It is a happy number.

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

It is a super-2 number, since 2×211222121002² (a number of 23 digits) contains 22 as substring.

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, 47019598 + ... + 47024089.

It is an arithmetic number, because the mean of its divisors is an integer number (39639414492).

Almost surely, 2^211222121002 is an apocalyptic number.

211222121002 is a deficient number, since it is larger than the sum of its proper divisors (105893194934).

211222121002 is a wasteful number, since it uses less digits than its factorization.

211222121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94044812.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 211222121002 its reverse (200121222112), we get a palindrome (411343343114).

The spelling of 211222121002 in words is "two hundred eleven billion, two hundred twenty-two million, one hundred twenty-one thousand, two".