1222002110021 has 16 divisors (see below), whose sum is σ = 1546274434560. Its totient is φ = 937997351280.

The previous prime is 1222002109967. The next prime is 1222002110039. The reversal of 1222002110021 is 1200112002221.

It is not a de Polignac number, because 1222002110021 - 2⁶ = 1222002109957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222002109978 and 1222002110005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222002110521) 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, 118428851 + ... + 118439168.

It is an arithmetic number, because the mean of its divisors is an integer number (96642152160).

Almost surely, 2^{1222002110021} is an apocalyptic number.

1222002110021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1222002110021 is a deficient number, since it is larger than the sum of its proper divisors (324272324539).

1222002110021 is a wasteful number, since it uses less digits than its factorization.

1222002110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236868104.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1222002110021 its reverse (1200112002221), we get a palindrome (2422114112242).

The spelling of 1222002110021 in words is "one trillion, two hundred twenty-two billion, two million, one hundred ten thousand, twenty-one".