2101002121222 has 32 divisors (see below), whose sum is σ = 3307318490880. Its totient is φ = 999086103840.

The previous prime is 2101002121219. The next prime is 2101002121237. The reversal of 2101002121222 is 2221212001012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2101002121196 and 2101002121205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108440328 + ... + 108459700.

It is an arithmetic number, because the mean of its divisors is an integer number (103353702840).

Almost surely, 2^{2101002121222} is an apocalyptic number.

2101002121222 is a deficient number, since it is larger than the sum of its proper divisors (1206316369658).

2101002121222 is a wasteful number, since it uses less digits than its factorization.

2101002121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32748.

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

Adding to 2101002121222 its reverse (2221212001012), we get a palindrome (4322214122234).

The spelling of 2101002121222 in words is "two trillion, one hundred one billion, two million, one hundred twenty-one thousand, two hundred twenty-two".