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10020121022 = 25010060511
BaseRepresentation
bin10010101010011111…
…01110100110111110
3221212022121212222102
421111033232212332
5131010122333042
64334141545102
7503210423552
oct112517564676
927768555872
1010020121022
11428210825a
121b37875192
13c38c139c2
146b0abd862
153d9a34b32
hex2553ee9be

10020121022 has 4 divisors (see below), whose sum is σ = 15030181536. Its totient is φ = 5010060510.

The previous prime is 10020121021. The next prime is 10020121061. The reversal of 10020121022 is 22012102001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 10020120994 and 10020121012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020121021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2505030254 + ... + 2505030257.

It is an arithmetic number, because the mean of its divisors is an integer number (3757545384).

Almost surely, 210020121022 is an apocalyptic number.

10020121022 is a deficient number, since it is larger than the sum of its proper divisors (5010060514).

10020121022 is an equidigital number, since it uses as much as digits as its factorization.

10020121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010060513.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10020121022 its reverse (22012102001), we get a palindrome (32032223023).

The spelling of 10020121022 in words is "ten billion, twenty million, one hundred twenty-one thousand, twenty-two".

Divisors: 1 2 5010060511 10020121022