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10222022121 = 33407340707
BaseRepresentation
bin10011000010100011…
…11010110111101001
3222101101112112012220
421201101322313221
5131413314201441
64410153224253
7511211516523
oct114121726751
928341475186
1010222022121
114376079573
121b93402089
13c6b9b53cc
146cd838a13
153ec617466
hex26147ade9

10222022121 has 4 divisors (see below), whose sum is σ = 13629362832. Its totient is φ = 6814681412.

The previous prime is 10222022117. The next prime is 10222022197. The reversal of 10222022121 is 12122022201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10222022121 - 22 = 10222022117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10222022121.

It is not an unprimeable number, because it can be changed into a prime (10222024121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1703670351 + ... + 1703670356.

It is an arithmetic number, because the mean of its divisors is an integer number (3407340708).

Almost surely, 210222022121 is an apocalyptic number.

It is an amenable number.

10222022121 is a deficient number, since it is larger than the sum of its proper divisors (3407340711).

10222022121 is an equidigital number, since it uses as much as digits as its factorization.

10222022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3407340710.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10222022121 its reverse (12122022201), we get a palindrome (22344044322).

The spelling of 10222022121 in words is "ten billion, two hundred twenty-two million, twenty-two thousand, one hundred twenty-one".

Divisors: 1 3 3407340707 10222022121