10211121020022 has 96 divisors (see below), whose sum is σ = 22412743610400. Its totient is φ = 3099690187776.

The previous prime is 10211121019951. The next prime is 10211121020029. The reversal of 10211121020022 is 22002012111201.

It is a junction number, because it is equal to n+sod(n) for n = 10211121019983 and 10211121020010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211121020029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25554304 + ... + 25950812.

It is an arithmetic number, because the mean of its divisors is an integer number (233466079275).

Almost surely, 2^{10211121020022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10211121020022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11206371805200).

10211121020022 is an abundant number, since it is smaller than the sum of its proper divisors (12201622590378).

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

10211121020022 is a wasteful number, since it uses less digits than its factorization.

10211121020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396882 (or 396869 counting only the distinct ones).

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

Adding to 10211121020022 its reverse (22002012111201), we get a palindrome (32213133131223).

The spelling of 10211121020022 in words is "ten trillion, two hundred eleven billion, one hundred twenty-one million, twenty thousand, twenty-two".