1002122220111 has 8 divisors (see below), whose sum is σ = 1336255736064. Its totient is φ = 668035092120.

The previous prime is 1002122220083. The next prime is 1002122220133. The reversal of 1002122220111 is 1110222212001.

1002122220111 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1002122220111 - 2⁷ = 1002122219983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002122220191) 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, 11546551 + ... + 11633016.

It is an arithmetic number, because the mean of its divisors is an integer number (167031967008).

Almost surely, 2^{1002122220111} is an apocalyptic number.

1002122220111 is a deficient number, since it is larger than the sum of its proper divisors (334133515953).

1002122220111 is a wasteful number, since it uses less digits than its factorization.

1002122220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23193981.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1002122220111 its reverse (1110222212001), we get a palindrome (2112344432112).

The spelling of 1002122220111 in words is "one trillion, two billion, one hundred twenty-two million, two hundred twenty thousand, one hundred eleven".