10020021121222 has 16 divisors (see below), whose sum is σ = 17177276984832. Its totient is φ = 4294270286280.

The previous prime is 10020021121163. The next prime is 10020021121223. The reversal of 10020021121222 is 22212112002001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10020021121196 and 10020021121205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020021121223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623523 + ... + 4519825.

It is an arithmetic number, because the mean of its divisors is an integer number (1073579811552).

Almost surely, 2^{10020021121222} is an apocalyptic number.

10020021121222 is a deficient number, since it is larger than the sum of its proper divisors (7157255863610).

10020021121222 is a wasteful number, since it uses less digits than its factorization.

10020021121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4080003.

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

Adding to 10020021121222 its reverse (22212112002001), we get a palindrome (32232133123223).

The spelling of 10020021121222 in words is "ten trillion, twenty billion, twenty-one million, one hundred twenty-one thousand, two hundred twenty-two".