10020111021222 has 64 divisors (see below), whose sum is σ = 21776300941824. Its totient is φ = 3062010493440.

The previous prime is 10020111021209. The next prime is 10020111021223. The reversal of 10020111021222 is 22212011102001.

10020111021222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10020111021222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020111021223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7176768 + ... + 8458499.

It is an arithmetic number, because the mean of its divisors is an integer number (340254702216).

Almost surely, 2^{10020111021222} is an apocalyptic number.

10020111021222 is an abundant number, since it is smaller than the sum of its proper divisors (11756189920602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10020111021222 is a wasteful number, since it uses less digits than its factorization.

10020111021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15635453.

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

Adding to 10020111021222 its reverse (22212011102001), we get a palindrome (32232122123223).

The spelling of 10020111021222 in words is "ten trillion, twenty billion, one hundred eleven million, twenty-one thousand, two hundred twenty-two".