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10222031101 = 17957106319
BaseRepresentation
bin10011000010100011…
…11101000011111101
3222101101112222112111
421201101331003331
5131413314443401
64410153334021
7511211554642
oct114121750375
928341488474
1010222031101
114376085297
121b93407311
13c6b9b9519
146cd83bdc9
153ec619e51
hex26147d0fd

10222031101 has 4 divisors (see below), whose sum is σ = 10279137600. Its totient is φ = 10164924604.

The previous prime is 10222031087. The next prime is 10222031111. The reversal of 10222031101 is 10113022201.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10113022201 = 22944161669.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10222031101 is a prime.

It is a super-2 number, since 2×102220311012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222031111) 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, 28552981 + ... + 28553338.

It is an arithmetic number, because the mean of its divisors is an integer number (2569784400).

Almost surely, 210222031101 is an apocalyptic number.

It is an amenable number.

10222031101 is a deficient number, since it is larger than the sum of its proper divisors (57106499).

10222031101 is an equidigital number, since it uses as much as digits as its factorization.

10222031101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57106498.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10222031101 its reverse (10113022201), we get a palindrome (20335053302).

The spelling of 10222031101 in words is "ten billion, two hundred twenty-two million, thirty-one thousand, one hundred one".

Divisors: 1 179 57106319 10222031101